![\bf \textit{area of a segment of a circle}\\\\ A=\cfrac{r^2}{2}\left[\cfrac{\pi \theta }{180}-sin(\theta ) \right]~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad degrees\\ \cline{1-1} r = 7\\ \theta =150 \end{cases} \\\\\\ A=\cfrac{7^2}{2}\left[\cfrac{\pi (150) }{180}-sin(150^o ) \right]\implies A=\cfrac{49}{2}\left[ \cfrac{5\pi }{6}-\cfrac{1}{2} \right]\implies A = \cfrac{245\pi }{12}-\cfrac{49}{4} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill A\approx 51.8909~\hfill](/tpl/images/0192/5632/d4a27.png)
Will give brainlist i've never seen this problem before.
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Mathematics, 24.08.2019 02:30 megamorph
Will give brainlist i've never seen this problem before.
Answers: 2
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