File comment: Circle
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The figure shows the top side of a circular medallion made of a circular piece of colored glass surrounded by a metal frame, represented by the shaded region. If the redius of the medallion is r centimeters and the width of the metal frame is s centimeters, then in terms of s and r, what is the area of the metal frame, in square centimeters?
e) pi*s(2r-s)OPEN DISCUSSION OF THIS QUESTION IS HERE: the-figure-shows-the-top-side-of-a-circular-medallion-made-o-101845.html