A certain pyramid has a square base measuring 855 feet on a side and a height of 498 feet

Question

a. what is the volume of a pyramid in cubic yards

b.The stones were used to build the pyramid were blocks with an average volume of 1.5 cubic yards. How many of these blocks were needed to construct the great pyramid?

Please help.

Answer 1

V = (1/3)bh

V = (1/3)(855)(498)

V = 141939 ft³

A pyramid is not orthogonal. The blocks are. Dividing 141939 by 405 ft³ (1.5 yd³) would only compare volumes. It would not determine the number of blocks.