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? (1 point)

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2016-09-25 15:59:05

As they have the same volume, they must have equal bases because this is the only way they can fill equally big space. :)

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