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Arc Length

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How do you calculate arc length given radius and central angle measure?

Guest Apr 25, 2017
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How do you calculate arc length given radius and central angle measure?

$$\large arc=\pi\cdot r\cdot\frac{\alpha}{180°}$$

$$\pi=3.1415926535897932$$

!

asinus  Apr 26, 2017
edited by asinus  Apr 26, 2017