SOLUTION: find the area of an annulus when inner circle diameter is 6 and outer circle is 10

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Question 612486: find the area of an annulus when inner circle diameter is 6 and outer circle is 10
Answer by Alan3354(69443) About Me  (Show Source):
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find the area of an annulus when inner circle diameter is 6 and outer circle is 10
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R = outside radius = 5
r = inside radius = 3
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Area+=+pi%2AR%5E2+-+pi%2Ar%5E2