Question

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

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Answer 1

see this Attachment

hope this helps you

Answer 2

Answer:

Given: Circumference of a circle = 22cm ⇒ 2πr = 22 ⇒ 2 x 22/7 x r = 22 ⇒ 2r = 7 ⇒ r = 7/2 cm Now, we have to find the of quadrant .

area of quadrant =1/4 nr²

= 1/4 × 22/7 × 7/2 × 7/2

= 11×7/8

= 9.625cm²

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