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Find the surface area of the composite solid.

Find the surface area of the composite solid.-example-1
User Zamfir
by
8.1k points

2 Answers

5 votes

Answer:

281 ft²

Explanation:

Cuboid + lateral surface area of the pyramid - square base

2[(4×12)+(4×5)+(12×5)] + 4[½×5×(12-7)] - 5²

2(48+20+60) + 4(12.5) - 25

2(128) + 50 - 25

256 + 25

281 ft²

User Simon Johnson
by
9.0k points
2 votes

Answer:


281 {ft}^(2)

Find the surface area of the composite solid.-example-1
User TungstenX
by
8.4k points

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