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Mathematics, 27.11.2019 03:31 Dontslack

For the concentric circles, the outer circle radius is r=6 in while that of the inner circle is r=3 in. find the exact area of the annulus (ring) that is determined by the two circles.

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For the concentric circles, the outer circle radius is r=6 in while that of the inner circle is r=3...
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