Answer:
3190.56 m³
Explanation:
Volume of the top pyramid
= 1/3 x (20.4 x 12) x 9.1
= 742.56 m³
Volume of the bottom cuboid
= 10 x 20.4 x 12
= 2448 m³
Total volume
= 2448 + 742.56
= 3190.56 m³
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