Each base of a triangular prism is a right triangle with side lengths 3 inches, 4 inches, and 5 inches. The height of the prism is 7 inches. What is the surface area?

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asked Oct 23, 2018 81.6k views

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Turkenh · Answer 1 · 2018-10-30T11:09:57+0000

Area of the base = 3*4 / 2 = 6
Area of BOTH bases = 12 sq inches
Area of one face = 3 * 7 = 21 sq inches
Area of 2nd face = 4 * 7 = 28 sq inches
Area of 3rd face = 5 * 7 = 35 sq inches

TOTAL Area = 96 sq inches

Each base of a triangular prism is a right triangle with side lengths 3 inches, 4 inches, and 5 inches. The height of the prism is 7 inches. What is the surface area?

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