Two square pyramids have the same volume. For the first

Last updated: 8/6/2022

Two square pyramids have the same volume. For the first pyramid, the side length of the base is 20 in. and the height is 21 in. The second pyramid has a height of 84 in. What is the side length of the base of the second pyramid? 42 in. 28 in. 10 in. 21 in.