Question

What is the circumference of a circle whose diameter is 9 units long?

Answer 1

Answer:

Formula.for circumference is 2πr..

now diameter is 9

and radius = d/2

= 9/2

= 3

now circumference is 2πr

= 2 x 22/7 x 3

= 6 x 3.14

= 18.84 m

Step-by-step explanation:

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