Emmalovesgoodd Emmalovesgoodd

17-04-2022
Mathematics

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What is the surface area of this triangular pyramid?

What is the surface area of this triangular pyramid class=

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musiclover10045 musiclover10045

17-04-2022

Area of one face = 1/2 x base x height = 1/2 x 5 x 3 = 7.5 square inches.

there are 3 of those faces : 7.5 x 3 = 22.5 square inches.

the bottom triangle = 1/2 x 5 x 4.3 = 10.75 square inches

total surface area = 22.5 + 10.75 = 33.25 square inches

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