Question

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Answer 1

Answer:

2πr

= 2 x 22/7 x 2.1

13.2

Step-by-step explanation:

this is your answer.

Answer 2

Answer:

13.2m^2

Step-by-step explanation:

Radius of the circle=2.1m

We know that,

Circumference of a circle=2πr

Therefore,

Circumference of the circle=2×22/7×2.1

=66/5

=13.2

Ans: So, the circumference of the circle is 13.2m^2.