Question

Find the surface area of a cylinder with a base radius of 2 in and a height of 5 in

Answer 1

`r = 2 \\ h = 5 \\ a = 2\pi \: rh + 2\pi {r}^(2) \\ = 2\pi * 2 * 5 + 2\pi {2}^(2) \\ = 20\pi + 8\pi \\ = 28\pi \\ = 28 * 3.14 \\ = 87.92 {unit}^(2) \\ thank \: you`