Question

the cirumference of a circle is 132 cm , find its area​

Answer 1

Step-by-step explanation:

$2\pi \times r = 132 \\ r = 66 \div \pi \\ area = \pi \times (r)^{2} \\ = {66}^{2} \div \pi \\ = 1387.26cm ^{2}$

Answer 2

Step-by-step explanation:

Circumference of circle = 132 cm

Circumference = 2πr

= 2*22/7*r = 132cm

r = 132cm*7/2*22

r = 3*7 cm

r = 21 cm

Radius = 21cm

Area = 2πrsq.

= 2*22/7*21*21

= 44*63cm sq.

= 2772 cm sq.

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