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11-04-2017
Mathematics

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Find the exact perimeter of the shaded region! 10 points !

Find the exact perimeter of the shaded region 10 points class=

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Аноним Аноним

11-04-2017

I believe the answer is 60.75pi, calculated as follows:

Area of Circle: (9 * 9) * pi = 81pi

Area of Shaded Area = (90 / 360) * 81p = 20.25pi

81pi - 20.25pi = 60.75pi

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