Q. 1 A4.9( 10 Votes )

Choose the correct alternative answer for each of the following question.

The ratio of circumference and area of a circle is 2:7. Find its circumference.
A. 14π

B. 7/π

C. 7π


Answer :

Circumference of circle, C = 2πr

Area Of circle, A = πr2

r = 7

Circumference = 2× r× π

Circumference = 14π

Option (A) is correct

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