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# The circumference of a circle is 8π cm. What is the RADIUS of the circle?

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The circumference of a circle is 8π cm. What is the RADIUS of the circle?

A)2 cm

B)4 cm

C)6 cm

D)8 cm

E)16 cm

Nov 29, 2018

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$$C = 2\pi r\\ 8\pi = 2 \pi r\\ 4 = r\\ r=4~cm$$

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Nov 29, 2018

$$C = 2\pi r\\ 8\pi = 2 \pi r\\ 4 = r\\ r=4~cm$$