Question

choose the correct alternative answer for each of a circle is 2:7 find its circumference
​

Answer 1

Answer:

Correct option is A)

Let r be the radius of the circle.

Circumference of the circle: Area of the circle=2:7

[⇒

πr

2

2πr

=

7

2

]

[⇒

r

1

=

7

1

]

[⇒r=7]

∴ Circumference of the circle=[2πr=2π×7=14π]