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In the circle below, segment AB is a diameter. If the length of are ACB is 6pi what is the length of the radius of the circle?

In the circle below segment AB is a diameter If the length of are ACB is 6pi what is the length of the radius of the circle class=

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wegnerkolmp2741o

Answer:

The radius is 6

Step-by-step explanation:

Arc length ACB = 6 pi

The arc length = fraction of a circle times the circumference

6 pi = 180/360 * 2 * pi *r

6 pi = 1/2 * 2 * pi*r

6 pi =  pi r

The radius is 6

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