Shane H.

asked • 08/08/19

Calculate the radius of a cylinder that has a surface area of 200π square units and a height of 21 units.

A = 2πrh+2πr2

r = radius

h = height

A = surface area

What is the answer supposed to look like?

My answer was : r = 100 - r2

This does not look correct.

1 Expert Answer


Kerry K. answered • 08/08/19

Long time experienced math tutor

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