calculate the perimeter of quadrant of a circumference when radius is 14cm
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perimeter of quadrant = 0.5*pi*r + 2*r
= 0.5*22/7*14 + 2*14
= 44*0.5 +28 = 22 +28 = 50 cm
= 0.5*22/7*14 + 2*14
= 44*0.5 +28 = 22 +28 = 50 cm
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