Question

the circumference of circle is 39.6cm find its area

Answer 1

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Answer 2

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Answer -

Circumference of circle - 39.6cm

Formula - 2πr


First we have to find the value of r

thus,


2πr = 39.6

2 × 3.14r = 39.6

3.14r = 39.6/2

3.14r = 19.8

r = 19.8/3.14


thus,

r = 6.30573cm


Taking it as r = 6.30 cm


Area of circle = πr^2

thus,

3.14 ×(6.30) ^2

39.69×3.14


= 124.62cm^2


Answer -


Area = 124.62 cm^2