Question

The circumference of circular pond is 396 m. What is its area?​

Answer 1

Answer:

circumference of circle= 2πr

396=2×22/7×r

r=396×7/22×2

r= 18×7/2

r= 9×7

r=63

area of circle =πr²

= 22/7×63×63

= 22×9×63

= 12474 m²

Explanation:

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Answer 2

Given :

• Circumference of circular pond = 396 m

To Find :

• The Area of the circular pond

Solution :

Circumference of a circle is given by 2πr (here r is radius of circle).

We are given that circumference of circular pond as 396 m

➙ 2πr = 396

➙ 2(3.14)(r) = 396

➙ 6.28(r) = 396

➙ r = 396/6.28

➙ r = 63 m

Now , Area of circle is given by πr² (here r is radius of circle)

➙ Area of circular pond = πr²

➙ Area of circular pond = (3.14)(63)²

➙ Area of circular pond = (3.14)(3969)

➙ Area of circular pond = 12462.6 m²

Hence , The Area of the circular pond is 12462.6 m²