jessicaharper0810 jessicaharper0810

06-03-2020
Mathematics

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what is the length of arc LM expressed in terms of pi

central angle: 72 degrees
radius: 1

what is the length of arc LM expressed in terms of pi central angle 72 degrees radius 1 class=

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jdoe0001 jdoe0001

06-03-2020

[tex]\bf \textit{arc's length}\\\\ s=\cfrac{\pi \theta r}{180}~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ r=1\\ \theta =72 \end{cases}\implies s=\cfrac{\pi (72)(1)}{180}\implies s=\cfrac{2\pi }{5}[/tex]

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