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could someone give me a formula to find an arc?
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need more information...arc length? angle of an arc?
arc length
usually that is radius times central angle theta
\[s = r \theta\]
how do i know what theta is?
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well, that depends on the problem. an arc is part of a circle, and each end of the arc is connected to the center of the circle by a radius. the angle between the two radii is theta Lots of ways to find theta, depending on what information you've been given
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