Question

circle o has a circumference of 36π cm. what is the length of the radius, r? 6 cm 18 cm 36 cm 72 cm

Explanation:

Step1: Recall the formula for circumference

The formula for the circumference of a circle is \(C = 2\pi r\), where \(C\) is the circumference and \(r\) is the radius.

Step2: Substitute the given circumference into the formula

Given \(C = 36\pi\), we substitute into \(C = 2\pi r\): \(36\pi=2\pi r\).

Step3: Solve for \(r\)

Divide both sides of the equation \(36\pi = 2\pi r\) by \(2\pi\).

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Answer:

18 cm