Answer
23.55 unit
Work Step by Step
Given-
angle, $\theta$ = $\frac{5\pi}{6}$ rad
radius, r = 9 unit
arc, s = ?
We know that -
s = r $\theta$
= $ 9 \times \frac{5\pi}{6}$
= $ 9 \times \frac{5\times3.14}{6}$
= 23.55 unit
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