Question

The volume of a cylinder is 448πcm^3 and height 7cm. Then find its radius​

Answer 1

Let the radius of the base and height of the cylinder be r cm and h cm respectively.

Then,h=7cm

$now \: volume \: = 448\pi {cm}^{3}$

$\pi {r}^{2} h = 448\pi$

${r}^{2} = \frac{448}{7} = 64$

r=8cm