jemjoniasGain jemjoniasGain

26-04-2017
Mathematics

contestada

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?

Respuesta :

mperemsky mperemsky

26-04-2017

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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