A square pyramid of height 18 cm has volume $864\text{ cm}^3$. Find a base side. \(h=18\text{ cm}\

Question

A square pyramid of height 18 cm has volume $864\text{ cm}^3$. Find a base side. $h=18\text{ cm}$ Square base Central section

Accepted Answer

$864=\dfrac13s^2(18)=6s^2$. $s=\sqrt{144}=12\text{ cm}$.

Pyramid dimensions