Lateral surface area calculator triangular prism

First, calculate the total surface area of the prism. Surface area of a rectangular prism = 2h (l +b) = 2 x 3 (7 + 5) = 6 x 12. TSA = 72 in 2. The total cost of painting the prism = TSA x cost of painting. = 72 x 50. = $3,600. Thus, the cost of painting the rectangular prism is $3,600.

The surface are of a prism is the sum of the areas of all of its faces. Triangular prisms have two (congruent) triangular bases and three rectangular sides. The type of triangle the base of a triangular prism is can tell you a lot about the sides of the prism: If the bas e is an isosceles triangles, two of the rectangular faces will be congruent.It is mentioned that the surface area of the kaleidoscope is 576 \(cm^2\) and the base height is 7.8 cm. Since the kaleidoscope is in the shape of a triangular prism, we can use the formula for the surface area to find its height. So, Surface area of a triangular prism = bh + (a + b + c)H. 576 = 9 \(\times\) 7.8 + (9 + 9 + 9)H [Substitute the ...If you know the lengths of all sides ( a, b, and c) of a triangle, you can compute its area: Calculate half of the perimeter ½(a + b + c). Denote this value by s. Compute s - a, s - b, and s - c. Multiply the three numbers from Step 2. Multiply the result by s. Take the square root of the result.This calculator finds the volume, surface area and height of a triangular prism. Surface area calculations include top, bottom, lateral sides and total surface …This calculator calculates the surface area of a trapezoidal prism using sides of trapezoid, altitude, height values. The length of the four rectangles will be the sum of the four sides of the trapezoid, the two bases, and the other two sides. The surface area can be given with this formula: Surface Area of Trapezoidal Prism S=a (l + h) + b (l ...Solved Examples. Find the lateral and total surface area of a square prism with a base edge of 6 cm and a length of 15 cm. Solution: As we know, Lateral Surface Area ( LSA) = 4 al, here a = 6 cm, l = 15 cm. ∴ LSA = 4 × 6 × 15. = 360 cm 2. Total Surface Area (TSA) = 2a2 + LSA, here a = 6 cm, LSA = 360 cm 2. ∴ TSA = 2 × 6 2 + 360.

C. Write another formula for finding the surface area of a right triangular prism with a base that is a right triangle. Use s 1 and s 3 for the legs of the base and h for the height of the prism. S.A. = 5. Turn off Compute lateral area. Create a triangular prism of your own. A. List the dimensions of your prism. s 1 = s 2 = s 3 = h = B. Use ...This geometry video tutorial explains how to calculate the surface area of a pyramid. It also explains how to calculate the lateral area of a square pyramid...The surface area of a closed cylinder can be calculated by summing the total areas of its base and lateral surface: base SA 2r 2. Surface area is measured in units squared (e.g. You should always include units in your answer. Step-by-step guide: Surface area of a triangular prism Since it is an area, surface area is measured in square units (e.g.Surface area of prism = Area of two faces lateral surface area The area of base\(=\frac\times 3\times 4\) Īrea of lateral faces = 3 × 6 5 × 6 4 × 6 Then we calculate the areas of the bases and the lateral surfaces separately. ... #Surface area calculator triangular prism plus# So one plus nine is ten, plus eight is 18, plus six is 24, and ...The formula for calculating the surface area of a triangular prism is; Surface area= (perimeters of the base*length of the prism) + (2 * base area) = (S1+S2+S3)L+ bh. Where, L depicts the length of the prism. S1, S2, and S3 demonstrates the three edges or sides of the base triangle.A trapezoidal prism is a three-dimensional solid consisting of two identical trapezoidal faces joined together by four rectangular faces. It has 6 faces (2 trapezoidal and 4 rectangular), 12 edges, and 8 vertices.. Trapezoidal Prism. Some real-life examples of trapezoidal prisms are bathtubs shaped like hollow trapezoidal prisms and blocks or ...Lateral Other name for rectangular prism is cuboid. WebThe surface area of a rectangular prism calculator gives us the answer: A = 2 l w + 2 l h + 2 w h = 2 8 ft 6 ft + 2 8 ft 5 ft + 2 6 ft 5 ft = 236 ft. Once multiply combination of any two parameters.Find the surface area of the triangular prism. The area of the base is 7.75 yd^2. What is the surface area of a square pyramid? What is the formula used to calculate the lateral area for a square pyramid? Find the lateral area of a square pyramid given Base: 8, Height: 22, and side: 8.

Use this simple geometry octogonal prism calculator to calculate area (a), volume (v), surface area (sa). AZCalculator.com. Home (current) ... Formulas; Contact; Search. Octogonal Prism Calculator. Home › Geometry › Area. Posted by Dinesh on 30-09-2021T14:57. This calculator calculates the area (a), volume (v), surface area (sa) using side ...Calculator online for a the surface area of a capsule, cone, conical frustum, cube, cylinder, hemisphere, square pyramid, rectangular prism, triangular prism, sphere, or spherical cap. Calculate the unknown defining side lengths, circumferences, volumes or radii of a various geometric shapes with any 2 known variables. Online calculators and formulas for a surface area and other geometry problems.Step 2: Add the value of its lateral surface area and the base area. Step 1: Check for the given parameters. The formula to calculate the total surface area of a triangular pyramid is 1⁄2(a × b) + 3⁄2(b × s). How To Find the Total Surface Area of a Triangular Pyramid When Its Lateral Surface Area and Base area are Given?A prism is a three-dimensional figure or polyhedron having two faces (called the bases of the prism) which are congruent polygons, and the remaining faces parallelograms. The volume V of a right prism is V = Bh.The surface area S of a prism is S = 2B + Ph.Calculator online for a the surface area of a capsule, cone, conical frustum, cube, cylinder, hemisphere, square pyramid, rectangular prism, triangular prism, sphere, or spherical cap. Calculate the unknown defining side lengths, circumferences, volumes or radii of a various geometric shapes with any 2 known variables. Online calculators and formulas for a surface area and other geometry problems.

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• The formula for the surface area of a prism is SA 5 Ph 1 2B, where SA is the surface area of the prism, P is the perimeter of the base, h is the height, and B is the area of a base. • The formula for the lateral surface area of a prism is L 5 Ph, where L is the lateral surface area of the prism, P is the perimeter of the base, and h is ...The lateral area of a three-dimensional solid is the area of all the lateral faces. In this tutorial, you'll see how to use the dimensions of a rectangular prism to find the lateral area. Take a look! Virtual Nerd's patent-pending tutorial system provides in-context information, hints, and links to supporting tutorials, synchronized with videos ...The lateral surface area of a right triangular prism. To calculate the lateral surface area of any shape or object, you must find the area of the non-base faces only. This means that, in a right triangular prism, the lateral surface area is the area of the vertical faces. The lateral surface area can be found by multiplying the perimeter of the ...Shaw. 13, 1441 AH ... Learn how to find the surface area of a square prism. The formula you can use is Lateral Area + 2(Base Area) The lateral area equals ...

In Geometry, the triangular prism is defined as a prism which has two congruent triangles where the bases are connected by the three rectangular lateral faces. The surface area of a triangular prism can be calculated by adding the base area and its lateral faces. The formula to calculate the surface area of a triangular prism is SA = 2B + P h ...Surface area of a triangular prism. The surface area of a triangular prism is the sum of the areas of its 3 lateral faces and 2 bases and is given by the formula, where SA is surface area, a, b and c are the lengths of the sides of the bases, b is the bottom side of the base, and h is the height of the base. Types of triangular prismsProof of Heron's formula (2 of 2) Unit test. Test your understanding of Volume and surface area with these NaN questions. Start test. Volume and surface area help us measure the size of 3D objects. We'll start with the volume and surface area of rectangular prisms. From there, we'll tackle trickier objects, such as cones and spheres.The surface area of a prism is the sum of twice the base area and the lateral surface area of the prism. Learn how to calculate the surface area of the prism with the help of solved examples. Grade. KG. 1st. 2nd. 3rd. 4th. 5th. 6th. 7th. 8th. ... Let us calculate the surface area of the triangular prism given below with a base "b", the height ...104 Lesson 3.4 ~ Surface Area of Prisms 12. An octagon with an area of 120 cm² is the base of a prism. Each side of the octagon is 5 cm. The height of the prism is 11 cm. Find the surface area of the octagonal prism. 13. The surface area of a triangular prism is 72 ft². The lateral area is 60 ft². Find the area of one base.The of a prism is the sum of the areas of the lateral faces.The surface area is the sum of the lateral area and the area of the two bases. lateral area right prisms oblique prism h h h height altitude lateral faces. bases. Bases Bases Lateral edges Lateral faces Pentagonal prism Triangular prism prism 11-2 11 Finding Surface Area of a Prism A ...A triangular prism with equilateral triangular bases is a special type of three-dimensional geometric shape. In this unique form, both of the congruent triangular bases consist of equal sides and angles, creating a symmetrical and aesthetically pleasing structure. The lateral faces connecting the bases are parallelograms.Step 1: Calculating Triangle Areas. Triangle Area Formula. Base and Height. Finding Total Surface. Step 2: Finding Prism’s Lateral Area. Lateral Area …Show Resources. Discover how to calculate the surface area of a triangular prism. In Geometry, the triangular prism is defined as a prism which has two congruent triangles where the bases are connected by the three rectangular lateral faces. The surface area of a triangular prism can be calculated by adding the base area and its lateral faces. The formula to calculate the surface area of a triangular prism is SA = 2B + P h ...

If you know the lengths of all sides ( a, b, and c) of a triangle, you can compute its area: Calculate half of the perimeter ½(a + b + c). Denote this value by s. Compute s - a, s - b, and s - c. Multiply the three numbers from Step 2. Multiply the result by s. Take the square root of the result.

Follow these simple steps to find the side area of a prism: Input Perimeter and Height: Put in the length around the base ( P) and the height of the prism (. ℎ. h ). Use the Formula: Plug these values into the formula. Lateral Area = P × ℎ. to calculate the side area.Surface area using a net: triangular prism (Opens a modal) Practice. Surface area using nets Get 3 of 4 questions to level up! Lesson 15: More nets, more surface area. ... Surface area word problems Get 3 of 4 questions to level up! Quiz 3. Level up on the above skills and collect up to 720 Mastery points Start quiz.Please follow the steps below on how to use the calculator: Step 1: Choose a drop-down to find the surface area or volume of a triangular prism. Step 2: Enter the values in the given input boxes. Step 3: Click on " Calculate " to find the surface area and volume of a triangular prism. Step 4: Click on " Reset " to clear the fields and enter the ... How to find the surface area of a triangular prism? Before we go to the formula for the surface area of a triangular prism, you must first understand where it’s derived. For this shape, the lateral surface area is quite easy to calculate as it’s made up of 3 rectangles which have one length of the side in common. Therefore, the formula is: Calculate the top and bottom surface area of a cylinder (2 circles ): T = B = π r 2. Total surface area of a closed cylinder is: A = L + T + B = 2 π rh + 2 ( π r 2) = 2 π r (h+r) ** The area calculated is only the lateral surface of the outer cylinder wall. To calculate the total surface area you will need to also calculate the area of the ...A triangular pyramid has four triangular faces. To calculate the lateral surface area of a triangular pyramid, you need to find the area of each of the three triangular faces and then add them together. Here's a step-by-step process: Determine the base and height of each triangular face. Calculate the area of each triangular face using the formula: Area = (1/2) × base × height.Área da Superfície Lateral do Prisma Triangular - (Medido em Metro quadrado) - A Área da Superfície Lateral do Prisma Triangular é a quantidade de plano delimitada por todas as superfícies laterais (ou seja, as faces superior e inferior são excluídas) do Prisma Triangular. Lado A da Base do Prisma Triangular - (Medido em Metro) - O Lado A da Base do Prisma Triangular é o comprimento ...The Height of Triangular Prism given Lateral Surface Area formula is defined as the length of the straight line connecting any base vertex to the corresponding top vertex of the Triangular Prism, and calculated using the lateral surface area of Triangular Prism and is represented as h = LSA/(S a +S b +S c) or Height of Triangular Prism = Lateral Surface Area of Triangular Prism/(Side A of Base ...The surface area of a triangular prism is the entire space occupied by its outermost layers (or faces). It is expressed in square units such as m 2, cm 2, mm 2, and in 2. Formulas. Like all 3-dimensional shapes, 2 types of surface areas can be calculated for a triangular prism. Lateral Surface Area

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The surface area of a triangular prism is calculated by adding up the area of the lateral faces and the triangular bases. The units are in place to give an indication of the order of the results such as ft, ft 2 or ft 3. The area of the rectangular faces can be found by multiply the base and height lengths together. To calculate the surface ...To find the lateral surface area (the sum of the three sides of the prism), you will need to calculate the area of each of the three rectangles that make up the sides of the prism. The height of the prism is given as 10 cm. One side of the prism will have a width of 6 cm and a height of 10 cm: \(6 \times 10 = 60 \, cm^2\)This calculator finds the volume, surface area and height of a triangular prism. Surface area calculations include top, bottom, lateral sides and total surface …Triangular prism surface area = {eq}4 + 17.84 + 8 = 29.84 in^2 {/eq} ... One can calculate the surface area of a triangular prism by adding up the areas of its sides. The volume of the geometric ...Solution: Volume of Triangular Prism = ½ × b × h × l. V = ½ × 5 × 10 × 15. Volume, V = 375 cm 3. Example 2: If the height of the prism is 4cm and the length of the side of the equilateral triangular base is 6cm. Then find the area of the prism for the above example.Lateral Area = Perimeter of Base × Height of Prism. Lateral Area = Ph. Next, find the area of one of the two congruent bases, area B. To find the total surface area, add the area of the large rectangle plus two times the area of the base, B. In other words, Total Surface Area = Lateral Area + 2 × Area of Base.The following steps are used to calculate the surface area of a right triangular prism: Step 1: Find the area of the top and the base triangles using the formula, Area of the two base triangles = 2 × (1/2 × base of the triangle × height of the triangle) which simplifies to 'base × height' (bh). Step 2: Find the product of the length of the ...Dhuʻl-Q. 30, 1441 AH ... Welcome to How to Find the Surface Area of a Rectangular Prism with Mr. J! Need help with finding the surface area of a rectangular prism? ….

Study with Quizlet and memorize flashcards containing terms like Which equation can be used to calculate the surface area of the triangular prism net show below? The net of a rectangular prism. The rectangular sides are 10 centimeters by 13 centimeters, 10 centimeters by 12 centimeters, and 10 centimeters by 5 centimeters. The triangular sides have a base of 5 centimeters and height of 12 ...Area of triangular face E o r D = 1 2 × B a s e × H e i g h t = 1 2 × 3 c m × 4 c m = 6 s q c m Surface area of the triangular prism = Area of rectangular face A + Area of rectangular face B + Area of rectangular face C + Area of triangular face D + Area of triangular face E = 20 sq cm + 16 sq cm + 12 sq cm + 6 sq cm + 6 sq cm = 60 sq cmAug 16, 2023 · The surface area of a rectangular prism is calculated by summing the areas of all its faces. The formula for surface area is: Surface Area = 2 (length × width + width × height + height × length). The volume of a rectangular prism is given by: Volume = length × width × height. The formula for the surface area of a triangular prism is SA = bh + (s1 + s2 + s3)H. In this formula, “b” is the triangle base, “h” is the triangle height, “s1,” “s2” and “s3” are ...Surface Area = bh + (s1 + s2 + s3)l. Where b is the area of the base, h is the height of the triangle, s1, s2, and s3 are the sides of the triangle, and l is the length of the prism. …The following steps are used to calculate the surface area of a right triangular prism: Observe the following figure which shows a right triangular prism. ... The lateral surface area of a triangular prism can be calculated by multiplying the perimeter of the base by the length of the prism. When a triangular prism has its bases facing up and ...It is mentioned that the surface area of the kaleidoscope is 576 \(cm^2\) and the base height is 7.8 cm. Since the kaleidoscope is in the shape of a triangular prism, we can use the formula for the surface area to find its height. So, Surface area of a triangular prism = bh + (a + b + c)H. 576 = 9 \(\times\) 7.8 + (9 + 9 + 9)H [Substitute the ...This geometry video tutorial explains how to calculate the surface area of a triangular prism using a simple formula. It also explains how to calculate the ... Lateral surface area calculator triangular prism, The triangular prism is what? a triangle-shaped prism "a polyhedron with two triangular bases, three rectangular sides, and three angles. There are 9 vertices, 6 edges, and 5 faces ". The answer to the query is. The lateral surface area formula is (a + b + c)h, where a, b, and c are the base's perimeters and h is the triangular prism's height ..., Área da Superfície Lateral do Prisma Triangular - (Medido em Metro quadrado) - A Área da Superfície Lateral do Prisma Triangular é a quantidade de plano delimitada por todas as superfícies laterais (ou seja, as faces superior e inferior são excluídas) do Prisma Triangular. Lado A da Base do Prisma Triangular - (Medido em Metro) - O Lado A da Base do Prisma Triangular é o comprimento ..., The Lateral Surface Area of Triangular Prism formula is defined as the quantity of plane enclosed by all the lateral surfaces (that is, top and bottom faces are excluded) of the Triangular Prism and is represented as LSA = (S a +S b +S c)*h or Lateral Surface Area of Triangular Prism = (Side A of Base of Triangular Prism+Side B of Base of Triangular Prism+Side C of Base of Triangular Prism ..., With our triangular prism surface area calculator, you can effortlessly solve geometry problems, explore mathematical concepts, and design 3D models with confidence. Easy-to-use interface Our triangular prism surface area calculator is designed with simplicity and ease of use in mind, ensuring a smooth and intuitive experience for users of all ..., The Lateral Surface Area of Hexagonal Prism formula is defined as the quantity of plane enclosed by all the lateral surfaces (that is, top and bottom faces are excluded) of the Hexagonal Prism is calculated using Lateral Surface Area of Hexagonal Prism = 6*Base Edge Length of Hexagonal Prism*Height of Hexagonal Prism. To calculate Lateral ..., Total Surface Area = 208 + 2 (104) Total Surface Area = 416 cm^2. Since the given total surface area is 524 cm^2, we need to find the missing length l: Total Surface Area = 416 + 2 (l * 10) 524 = 416 + 20l. 108 = 20l. l = 5.4 cm. Therefore, the missing length l is not one of the given options. answered by Bot GPT 3.5., • The formula for the surface area of a prism is SA 5 Ph 1 2B, where SA is the surface area of the prism, P is the perimeter of the base, h is the height, and B is the area of a base. • The formula for the lateral surface area of a prism is L 5 Ph, where L is the lateral surface area of the prism, P is the perimeter of the base, and h is ..., The surface area of a rectangular prism is the combined surface areas of all six of its sides. Because opposing sides are always the same size, the total surface can be determined ..., Solution: Surface area of the triangular prism = (2 × base area of a triangle) + (perimeter of the base × height of the prism) = {2 × (½ × b × h)} + { (a + b + c) × H} = (b × h) + { (a + …, SA = a2 + 2×a×l. 🔎 Proof: The surface area of a square pyramid is the sum of the areas of its square base and four triangular faces: SA = BA + (4 × FA) The area of a triangle is half of the product of its base length ( a) and height ( l ): FA = a×l/2., The formula for finding the surface area of a triangular prism is given as: A = bh + L (s1 + s2 + s3) Where A is the surface area, b is the bottom edge of the base triangle, h is the height of the base triangle, L is the length of the prism, and s1, s2, and s3 are the three edges of the base triangle. Figure 1 - Triangular Prism Surface Area ..., The lateral surface area is the total area of the rectangular sides. The triangular faces of a triangular prism are congruent (exactly the same) but, unless the triangle is an isosceles triangle or an equilateral triangle, the rectangles are all different. ... Calculate the volume of a triangular prism; Calculate the surface area of a ..., Lateral traction is a treatment technique in which weight or tension is used to move a body part to the side or away from its original location. Lateral traction is a treatment tec..., To find the lateral of a cone given its diameter D, follow these steps: Use the lateral area formula for a cone: A_L = π x r x √(r² + h²). Since the diameter D is equal to twice the radius of a circumference, employ the corresponding relationship: r = D / 2. By replacing this in the equation above: A_L = π x (D / 2) x √((D / 2)² + h²)., The Triangular Prism Surface Area calculation! Formula: SA = bh + (s1 + s2 + s3)l. Where: SA is the surface area. b is the base of the triangle (in inches) h is the height of the triangle (in inches) s1, s2, s3 are the sides of the triangle (in inches) l is the length of the prism (in inches), Dhuʻl-Q. 25, 1430 AH ... ... Lateral Area of a Rectangular Prism. For part 2 ... Lateral Surface Area of Triangular Prisms ... Calculate Volume of a Rectangular Prism - [6-7-11]., Calculator online for a the surface area of a capsule, cone, conical frustum, cube, cylinder, hemisphere, square pyramid, rectangular prism, triangular prism, sphere, or spherical cap. Calculate the unknown defining side lengths, circumferences, volumes or radii of a various geometric shapes with any 2 known variables. Online calculators and formulas for a surface area and other geometry problems., To find the volume of a triangular pyramid with a height of 10 cm, and a right-triangle base with sides 3 cm, 4 cm, and 5 cm, you need to: Determine the area of the base: for us, it's 3 × 4 / 2 = 6. Find the pyramid's height: in our case, it's 10. Apply the triangular pyramid volume formula: 6 × 10 / 3 = 20. The volume is 20 cm3., The Total Surface Area of Triangular Prism formula is defined as the total amount of two-dimensional space occupied by all the faces of the Triangular Prism and is represented as TSA = (h*(S a +S b +S c))+(1/2*sqrt((S a +S b +S c)*(S a +S b-S c)*(S b +S c-S a)*(S c +S a-S b))) or Total Surface Area of Triangular Prism = (Height of Triangular Prism*(Side A of Base of Triangular Prism+Side B of ..., Example 1: surface area of a triangular prism with a right triangle. Calculate the surface area of the triangular prism. Calculate the area of each face. The area of the front of the prism is \cfrac{1}{2} \, \times 4 \times 3= 6 \mathrm{~cm}^{2}. The back face is the same as the front face so the area of the back face is also 6 \mathrm{~cm}^{2}., Prism Height Formula. To calculate the height of a prism, you can use the following formula: h = \dfrac {V} {S} h = S V. Where: h is the height of the prism. V is the product of the area of the base and the height of the prism. S is the area of one of the congruent polygonal bases., How to calculate total and lateral surface area of a triangular prismCheckout my other videos on maths:https://www.youtube.com/playlist?list=PLA9sfGmqc-FUpvz..., Lateral surface area = surface area of the 4 triangular faces of the pyramid = \( 4\times~(\frac{1}{2}\times~8\times~6)\) = 96 sq.in The area of the wrapping material needed to cover the top of the toy is 96 sq. inches. 3) Find the surface area of a pyramid with height \( 3\sqrt{3}\) cm and a square base with sides of 6 cm in length. Solution:, Solved example. Example: Calculate the surface area of a triangular prism with side 7 cm, base 5 cm and height 6 cm. Solution. We know that Surface area of a triangular prism is: \ (\begin {array} {l}ab+3bh\end {array} \) Given, a = 7. b = 5., Substitute the height h into the surface area of a cylinder equation: A = 2πr² + 2πrh. Bring all terms in this equation to one side to get 2πr² + 2πrh - A = 0. Note that this is a quadratic equation in terms of r. Solve this equation using the quadratic formula to obtain. r = (-2πh ± √(4π²h² + 8πA))/4π., This calculator finds the missing value of a regular triangular prism given exactly two known dimensions. The calculator finds the length, side, base height, volume, surface area and lateral area of a prism., of the prism as a "base" or a "lateral face." Then fi nd the area of the entire surface of each prism. a. 5 6 3 b. 4 6 55 3 ACTIVITY: Finding the Area of the Entire Surface of a Prism 5. ... Find the surface area of the triangular prism. 4. 5. 6. 10 m 4 yd 3 yd 4 yd 5 yd 16 m 10 m 6 m 9 m 8.6 ft, Surface area = (315) + (24) Surface area = 339 square units. Therefore, the surface area of the given prism is 339 units 2. Example 3: If the volume of a triangular prism, having a length of 7 units and the height of the base triangle 4 units, is 35 units, find the length of the base of the triangle. Solution: , Triangular Prism Total Surface Area Formula is A tot = A top + A bot + A lat = 96 + 96 + 1392 = 1,584 m² ∴ Triangular Prism top, bottom surface areas are 96 m², lateral … Triangular Prism Surface Area Calculator - Online …, A = A 1 - A 2 = π ( r 12 - r 22) for the area of the solid cross section of the tube, the end, an annulus . V = V 1 - V 2 = π ( r 12 - r 22 )h for the volume of the solid, the tube. Shape diagrams and formulas for geometric solids including capsule, cone, conical frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere ..., Hence, the lateral area of the spherical ball is 3215.36 square centimeters. You can't have some measurements in cm and some in mīe careful to apply the correct prism related formula to the correct question type. Lateral area of sphere 4r (2) Substituting the value of 'r' and 3.14 for in the formula, Lateral area 4 x 3.14 x (16) (2) 3215 ..., The lateral surface area of the triangular prism is 82 square units. To calculate the lateral surface area of the triangular prism, we need to find the areas of all the lateral faces and then sum them up. Given: - Middle rectangle dimensions: 5 units by 6 units - Side rectangles dimensions: 5 units by 4 units. 1., Formulas. The general formula is: Surface Area (SA) = B + 1 2 P s, here B = base area, P = base perimeter, s = slant height, Also 1 2 P s = lateral surface area ( LSA) ∴ SA = B + LSA. However, there are specific formulas to calculate the surface area of different pyramids. They are given below: