A right cylinder has a radius of 3 and a height of 12 What is its surface area?

Total surface area is about 282.74 units2 (90 pi)

(Using pi = 3.14 gives the estimate 282.6)

SA = (pi 2r) x h + 2 (pi r2) = 72 pi + 2 (9 pi) = 90 pi