A cone has volume 36 pi. IF the cone's radius is 1, what is its height?

Witch represents the inverse of the function f(x)=1/4x-12

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.

Acone with radius 5 cm and height 12 cm how many cm ?