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April 16, 2014

Homework Help: Math - Please Help

Posted by Barb on Monday, February 18, 2013 at 12:26pm.

The surface area of a right circular cylinder is 1200 cm^2 . If the height of the cylinder is twice its diameter, find the dimensionsof the cylinder.

I know th formula for SA is SA = 2pir^2 + 2pirh
I know h = 2d.
I know r = 1/2 d
What is h in relations to r? Is is 4r?

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