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19 December, 02:54

A pyramid-shaped building is 63 ft tall with a square base that is 81 ft on each side. What is the volume of the building in cubic feet? In cubic yards?

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  1. 19 December, 03:18
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    V = lwh/3

    V = (81x81x63) / 3 = 137,781 cubic feet

    There are 27 cubic feet in 1 cubic yard. So you need to divide the above answer by 27 to get cubic yards.

    V = 137,781 cubic feet / 27 cubic feet = 5,103 cubic yards
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