Question

Find the volume of a cone if the perpendicular height is 9cm and radius 4cm​

Answer 1

`\textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ h=9\\ r=4 \end{cases}\implies V=\cfrac{\pi (4)^2(9)}{3}\implies V\approx 150.80~cm^3`