the circumference of circle is 39.6cm find its area
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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
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
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