Question

volume of a circular cone of height 10.5 cm is 176 cm cube. find the radius of the cone.

Answer 1

$v = \frac{1}{3} \pi {r}^{2} h \\ r = \sqrt{ \frac{3v}{\pi \: h} } = \sqrt{ \frac{3 \times 176}{\pi \times 10.5} } = 4$