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5 votes
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________________________________________________________-example-1
User Matejk
by
8.4k points

1 Answer

4 votes
break it up into two rectangular solids. like two legos stuck together.

top is 10x4x3 = 120
bottom is 2x4x4 = 36

combined 120+36=156 ft²
User Ridzuan Adris
by
7.9k points