A right square pyramid has volume $324\text{ cm}^3$ and height $12$ cm. Find one side of its bas

Question

A right square pyramid has volume $324\text{ cm}^3$ and height $12$ cm. Find one side of its base. $h=12\text{ cm}$ Square base Central section

Accepted Answer

Let the base side be $s\text{ cm}$. $324=\dfrac13s^2(12)$, so $s^2=81$. Since a length is positive, $s=9\text{ cm}$.

Pyramid dimensions