Q. 7 B5.0( 1 Vote )

Calculate the perimeter and area of a quadrant circle of radius 7 cm.

Answer :

Given:

radius (r)= 7cm


(a) perimeter of quadrant-circle = 1/4 (2 π r) + r + r


= 1/2 π r + 2r



perimeter of quadrant-circle = 11 + 14 = 25cm


(b) area of quadrant-circle =



area of quadrant-circle = 38.5 cm2


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