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Find the arc length of the semicircle.
Either enter an exact answer in terms of pi or use 3.14, point, 14 for pi and enter your answer as a decimal.
units

Find The Arc Length Of The Semicircle Either Enter An Exact Answer In Terms Of Pi Or Use 314 Point 14 For Pi And Enter Your Answer As A Decimal Units class=

Sagot :

we know the semi-circle has a radius of 5, and of course the central angle wil be π.

[tex]\textit{arc's length}\\\\ s=r\theta ~~ \begin{cases} r=radius\\ \theta =\stackrel{radians}{angle}\\[-0.5em] \hrulefill\\ \theta =\pi \\ r=5 \end{cases}\implies s=5\pi \implies \stackrel{\pi =3.14}{s=15.7}[/tex]

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