Mathematics

20 October, 18:21

Jack knows the surface area of a cylinder and its radius. He wants to find the cylinder's height. He needs to rewrite the formula a=2 r (r+h) to find the cylinder's height (h) in terms of the cylinder's surface area (A) and its radius (r). Which is the correct formula?

a) h = r +

b) h =

c) h =

d) h =

+3

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