HURRY ITS TIMED!!!!! A cylinder has a diameter of 40 feet and a height of 32 feet. What is the surface area of the cylinder? Express the answer in terms of pi.

Question

asked Apr 22, 2020 41.1k views

1 Answer

Dvir Levy · Answer 1 · 2020-04-27T19:09:02+0000

➷ The formula for surface area of a cylinder is:

$2\pi rh + 2\pi r^2$

The radius is half the diameter

radius = 40/2 = 20

Substitute the values in

Surface area =
$2\pi (20)(32) + 2\pi (20)^2$

Simplify to get an answer of:

surface area =
$2080\pi feet^2$

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