9. Find the radius and the circumference of a circle whose area is 144pi square centimetre?
Answers
Answered by
1
Answer:
area of circle =Πr^
144=22/7×r^
144×7/22=r^
r^ =504/11
Answered by
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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