In the figure, FGHJ is a circle of radius 3cm centre O. F...
In the figure, FGHJ is a circle of radius 3cm centre O. FOH, GOJ are perpendicular diameters. With G as centre of an arc of a circle is drawn to pass through F and H. Find the length of the perimeter of the lunar portion shaded.
3π√2−1cm
92πcm
3 π(1 + 22)
3(1 + 22)
Correct answer is C
Perimeter of lunar portion = 3π + 3π√22
= 3 π(1 + 22)
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