5.Calculate the area ofthe shaded rector region as shown in Fig.π =60 – InterviewSolution

1.

5.Calculate the area ofthe shaded rector region as shown in Fig.π =60°

Answer»

area of sector = theta/ 360° × pi ×r²

so area of shaded region 60°/360 pi × 9² - 60°/360 pi × 4²60°/360 pi (9²-4²)(1/60)× 22/7 × 65 = 3.405

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