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Asked Apr 10, 2019
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I need help with my geometry homework and the questions asks what is the radius of a circle if the length of a 45 degree arc is 9 pi

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Expert Answer

Step 1

Firstly, we convert the angle of arc into radians using the fact that 180 degrees are equal to pi radians

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Step 2

If l is the length of arc subtending angle theta at center ( measured in radian...

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