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OpenStudy (anonymous):
A manufacturer of metal washers needs to determine the cross-sectional area of each washer. If the outer radius of the washer is R and the radius of the hole is r, express the area of the washer as a polynomial. Factor this polynomial completely. The cross-sectional area of the washer is _______ (type exact answer, using pi as needed. Do Not Factor) The cross-sectional area of the washer in factored form is _____ (type an exact answer, using pi as needed. Factor completely)
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OpenStudy (anonymous):
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