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AB is a chord of a circle of center O subtending an angle 60o at...

AB is a chord of a circle of center O subtending an angle 60o at the center and radius r cm
If the area of the minor sector OAB is four times the perimeter of ΔOAB, what is the radius of the circle?
If the area of the minor sector OAB is k times the perimeter of ΔOAB, find an expression for the radius of the circle in terms of k?
In Mathematics
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Asked by Heloy14 on 14th August, 2020
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