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Question

# Find the area of each sector given its central angle $\theta$ and the radius of the circle. Round to the nearest tenth. $\theta=82^{\circ}, r=7.3$

Solution

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We need to find the area of sector if it's known:

the central angle $\theta=82\text{\textdegree} \Rightarrow 82\text{\textdegree}=82\cdot\dfrac{\pi}{180}=0.5\pi \rightarrow \boxed{\theta=0.5\pi}$

the radius of the circle $\rightarrow \boxed{r=7.3}$

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