What is the diameter of a circle with a 66 inch circumference??

asked Mar 18, 2018 169k views

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$C = 2\pi r\\\\(C)/(2\pi ) = (2\pi r )/(2\pi ) \\\\(C)/(2\pi ) = r\\\\\\(66)/(2\pi ) = r\\\\21.01 = r$

Therefore, the diameter of the circle is about 21.01 in.

Rdubya answered Mar 22, 2018

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