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Mathematics 22 Online
OpenStudy (anonymous):

If the circumference of a circle is 24, and the angle measure of an arc is 120°, which is the length of the arc? A. 3 B. 6 C. 8 D. 12

OpenStudy (anonymous):

C. 8, because 120 represents one-third of the circle (360/120), which we know is 24u long. The one-third ratio remains constant, and thus you take 1/3 of 24, or 8.

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