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klemol [59]
3 years ago
10

Find the length s of the arc of a circle radius 40 miles subtended by the central angle 1/8 radian

Mathematics
1 answer:
Mrac [35]3 years ago
5 0
\bf \textit{arc's length}\\\\
s=r\theta \quad 
\begin{cases}
r=radius\\
\theta =angle~in\\
\qquad radians\\
------\\
r=40\\
\theta =\frac{1}{8}
\end{cases}\implies s=40\cdot \cfrac{1}{8}\implies s=5
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