![]() ![]() For example, if you are starting with mm and you know r and h in mm, your calculations will result with V in mm 3 and S in mm 2.īelow are the standard formulas for surface area. ![]() The units are in place to give an indication of the order of the results such as ft, ft 2 or ft 3. What is the approximate lateral surface area of. Area of the triangular base (A) ½ × base × height 1/2 × 9 × 10 45 sq. We know that, The lateral surface area of the prism Base perimeter × height. The base length of the triangle 9 inches. ![]() EXAMPLE 2: A soup can in the shape of a cylinder and its dimensions are shown in the diagram. The base perimeter of the prism (P) 25 inches. n S Ph n S (50 cm)(32.5 cm) 1,625 cm2 The lateral surface area of the prism is 1,625 square centimeters. This formula will show what is the surface area of the triangular prism. STEP 4 Calculate the lateral surface area of the triangular prism using the formula, S Ph. To calculate the surface area of triangular prisms, you need to calculate the area of each face and add them all together. Units: Note that units are shown for convenience but do not affect the calculations. The surface area of a triangular prism is nothing but the amount of space on the outside. Online calculator to calculate the surface area of geometric solids including a capsule, cone, frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, spherical cap, and triangular prism ![]()
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