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May 28, 2015

Homework Help: Geometry -need help

Posted by JOY on Tuesday, May 24, 2011 at 9:33am.

A cylinder flower pot with open top needs to be painted. The height is 9 inches and radius is 3 inches. If it takes Troy 5 minutes to paint 40 square inches, how long to the minute will it take him to paint the outside of the flower pot.
I came up with 141.3 total sq inches
answer should be 25 minutes but I don't get that??

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