Find the Surface Area of the Square Pyramid.

asked Jan 9, 2022 215k views

1 vote

by K F

4.1k points

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2 votes

Answer:

279 in.²

Explanation:

square: 9 × 9 = 81

the 4 congruent triangles: 9 × 11 ÷ 2 = 49.5, 49.5 × 4 = 198

square + 4 congruent triangles = 81 + 198 = 279

Pockata answered Jan 16, 2022

4.7k points

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