Question

Find the circumference of circle of radius is 21

Answer 1

Answer:

circumference of circle equals to 2 Pi R according to this question the equation form is 2 into 22 upon 7 into 21 then you answer is 132

Answer 2

Hello mate......

Here is your answer....

$circumference = 2\pi \: r$

$r = 21$

$= 2 \times \pi \times 21$

$131.9$

Hope this helps you

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