A square pyramid with a height of 9 inches has volume of 75 cubic inches. Find the side length of the square base.?

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Answer 1 · 2018-05-31T21:01:55

5 inches

Volume=area of the base #xx1/3xxh#

#75=l^2xx1/3xx9#

#75=3l^2#

#l^2=25#

#l=\pm5#

As we can't have a negative length, the side is 5 inches