Math, asked by sbhattacharjee30, 11 months ago

The radius of a circle is 21cm.Find its circumference.

Answers

Answered by Pakcricket1000

2

Answer:

circumference =2 pie r

so 2 x 22/7 x 21

=2 x 22 x 3

= 44 x 3

= 132

I hope it will helpu

Step-by-step explanation:

Answered by nice1anjali

2

Answer:

r=21cm

circumference=2πr=2×22/7×21=2×22×3

circumference=44×3=132cm

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