Homework Help: Geometry - Bob

Posted by mary on Sunday, April 10, 2011 at 12:15pm.

Problem : Howm do you find the area of a circle circumscribed about a regular pentagon with a perimeter of 50 inches.
So far I each side of pentagon is 10. How do I find the radius of the circle? Is this the correct direction to go?
I your link & I was unable to come up with the correct answer of 227.3in^

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