Question

Find the height of the figure below if the surface area is 694.35 mm2

Answer 1

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Answer 2

First, find the radius of the cylinder. To do this, divide 8.6 by two.
8.6/2 = 4.3

So now we have, 694.35= 2pi(4.3)(h)+2pi(4.3^2)

When you solve or H, you should get 21.4.