Posted by **trixie** on Wednesday, March 5, 2008 at 8:44pm.

a high school wrestling mat must be square with 38-foot sides and contain two circles as shown. suppose the inner circle has a radius of "s" feet and the outer circle's radius is nine feet longer than the inner circle.

*write an expression for the area of the larger circle.

* write an expression for the area of the suqare outside the circle.

*use the expression to find the area if s=1.

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