Mathematics, 16.12.2019 21:31 jalonnolan
What is the area of a sector with measure of arc equal to 90° and radius equal to 1 foot?
Answers: 1
![\bf \textit{area of a sector of a circle}\\\\ A=\cfrac{\theta \pi r^2}{360}~~ \begin{cases} \theta = angle~in\\ \qquad degrees\\ r=radius\\[-0.5em] \hrulefill\\ r=1\\ \theta =90 \end{cases}\implies A=\cfrac{90\pi (1)^2}{360}\implies A=\cfrac{\pi }{4}\implies A\approx 0.79](/tpl/images/0421/2011/766cb.png)
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What is the area of a sector with measure of arc equal to 90° and radius equal to 1 foot?...
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