Question
Fri November 25, 2011 By:

Find the area of a quadrant of a circle whose circumference is 22cm ?

Expert Reply
Fri November 25, 2011
A circle has 4 equal quadrants, so area of a quadrant is one fourth of the area of the circle
 
Area of quadrant= ?r2/4
 
Now Circumference = 2?r= 22
 
hence r=22x7/2x22= 7/2
 
so area of quadrant = 22x7x7/4x4 = 67.275 sqcm
Ask the Expert