Question

find the circumference of a circle in centimetre if its radius is 2.1 metre ​

Answer 1

Answer:

Then Radius of Circle is 210cm

Then Circumference of Circle = 2.22/7.210=2.22.30=1320cm^2....

#RamRam Ji......

Answer 2

Step-by-step explanation:

circumference= 2pi r

= 2 × 22/7 × 2.1

=44/7× 2.1

=13.2 m

1m = 100cm

13.2 m= 13.2 × 100 m

= 1320cm

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