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