melaku234
melaku234 melaku234
  • 06-04-2018
  • Mathematics
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Catya
Catya Catya
  • 06-04-2018
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
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