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Question


The radius of the circle given above is 7 cm and the angle subtended by the arc is 60. If the area of OAB is 21cm2, then the area of segment APBA is___ .[Take the value of π as 227]


A

5.8 cm2

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B

4.7 cm2

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C

8 cm2

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D

1 cm2

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