Math, asked by unnati7134, 11 months ago

9. Find the radius and the circumference of a circle whose area is 144pi square centimetre?

Answers

Answered by vishalbansal612
1

Answer:

area of circle =Πr^

144=22/7×r^

144×7/22=r^

r^ =504/11

Answered by rohangiri14
2

Step-by-step explanation:

By the problem,

πr^2 = 144π

or, r^2 = 144

or, r = √144

= 12 cm.

Circumference = 2πr = 2π×12

= 24π cm.

So radius = 12cm, circumference = 24π cm.

Hope this help you ...

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