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Question
In the following figure, the shaded area is
Options
50 (π−2) cm2
25 (π−2) cm2
25 (π+2) cm2
5 (π−2) cm2
Solution
In the figure,∠AOB = 90°
and radius of the circle = 10 cm
∴ Area of shaded portion = Area of quadrant AOB - area of ΔAOB
= `1/4pi"r"^2-1/2"r"^2`
= `1/4"r"^2(pi-2)`cm2
= `1/4xx10xx10(pi-2)`cm2
= 25 (π - 2) cm2
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