February 25, 2017

Homework Help: Algebra

Posted by Cassie on Monday, March 23, 2009 at 6:41pm.

The area of a circle is given by the formula A = pi*r^2 and the circumference of the circle is given by C = 2*pi*r. Find the ratio of the area to the circumference. What happens to this ratio if the radius is quadrupled?

Thank you!

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