Question

Find the diameter of the cone with the help of the volume being 3.6 in.^3 and the height being 4.2 inches

Answer 1

`\bf 3.6=\cfrac{\pi r^2\cdot 4.2}{3}\implies \sqrt{\cfrac{3}{4.2\pi }\cdot 3.6}=r`

and the diameter is twice that much