Question

Find the total surface area of a right cylinder with base diameter of 8cm and a height of 12cm.give answer in terms of pie

Answer 1

`128\pi`

Explanation:

`2\pi rh + 2 \pi r^(2)`

`2\pi (4)(12) + 2\pi (4^(2) )\\2\pi (48) +2\pi (16)\\96\pi +32\pi \\128\pi`