Question

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

Answer 1

Step-by-step explanation:

circumference = 2πr

22 = 2πr

11 = 22/7 × r

r = 3.5 cm

Area = πr^2

= 22/7 × 3.5 × 3.5

= 22× 0.5 × 3.5

= 11× 3.5

= 38.5 sq cm

Answer 2

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