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

1 Answer

May 31, 2018

5 inches

Explanation:

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

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