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

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Find the area of a quadrant of a circle whose circumference is 22cm.[Use π=22/7]

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Let the radius of the circle be r.

Circumference = 22 cm

2πr = 22

r = 22/2π=11/π

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

Area of such quadrant of the circle

=1/4 x π x (11/π)2

=1/4π x 121

= 77/8 cm2