Q2 of 35 Page 230

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

Let the radius of the circle be r

Circumference = 22 cm


2πr = 22



r = =


Quadrant of circle will subtend 90° angle at the centre of the circle


Area of such quadrant of the circle = * * r2


= * π * ()2


=


=


= cm2


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