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43 votes
43 votes
Find the area of the shaded sector QRS

User Nielsstampe
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1 Answer

19 votes
19 votes

The diagram given is a sector, and from the diagram

Radius(r) = 9 in


\theta=120^(\cdot)
\begin{gathered} \text{Area of a sector = }(\theta)/(360)*\pi r^2 \\ \\ \text{Area of a sector = }(120)/(360)*(22)/(7)*9^2 \\ \text{Area of a sector =}(19440)/(2520)=7.71in^2 \end{gathered}

User Jonathan Irwin
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