Answer:
6000 units^3
Explanation:
Bottom: rectangular prism
V = LWH = 20 * 15 * 12 = 3600 units^3
Top: triangular prism
V = AH = (1/2)bhH = (1/2)(15)(16)(20) = 2400 units^3
Total volume: 3600 units^3 + 2400 units^3 = 6000 units^3
b. 4,400 units
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