Question

write the formula used to calculate perimeter of the circle when radius is given
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Answer 1

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Perimeter of circle = Circumference

So, Circumference of circle is 2πr.

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Answer 2

Answer:

hello mate here is your answer..

the formula is....

Explanation:

first of all,,

given,

• radius

to find

• circumference (perimeter)

solution

find using

c=2πr

hope it helped you mate....