Question

if a circumference of the circle exceed it's diameter by 30cm. find the area of the circle ​

Answer 1

Answer:

A≈706.86cm²

d Diameter

30

Step-by-step explanation:

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Answer 2

Answer:

A= 706.86cm.sq

Step-by-step explanation:

circumference of circle=2πr

given, circumference exceeds it's diameter by 30 meters

I. e, 2πr = d+30. But, diameter(d) = 2r 2πr=2r+30=> 2r(π-1)=30=> r(22/7)-1=15

r= 15*(7/15)= 7cms