Question

The radius of a circle ls 21 find the circumference

Answer 1

Circumference =2pier

Radius given-21

So,

2*22/7*21

Which is equal to 132

So radius is 132

Answer 2

Answer:

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Step-by-step explanation:

☆Given=>Radius=21.

=>Circumference=?

Assuming π=22/7(As 21 is divisible by 7)

=>Circumference=2πr

=2x22/7x21

=2x22x3

=44x3

=132 square units.

☞So the circumference of the circle is 132 square units,which is the required answer.

HOPE IT HELPS.