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If the perimeter of a square is 44 cm , then find the perimeter of a circle whose radius is equal to the length of a side of the given square.
Question

If the perimeter of a square is 44 cm , then find the perimeter of a circle whose radius is equal to the length of a side of the given square.

A.

22π22\pi​​

B.

11π11\pi​​

C.

12π12\pi​​

D.

21π21\pi​​

Correct option is A

Given:

Perimeter of square = 44cm

Formula Used:

Circumference = 2πr2\pi r​​

Perimeter of square = 4a

Solution:

Perimeter = 4a = 44

a= 11cm

Radius of circle = 11cm

Circumference of circle =2π(11)=22π 2\pi (11) = 22\pi​​

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