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Question

How do you find the circumference of a circle with a radius of 3cm?

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Solution

The circumference of the circle with radius r can be calculated as:

C=2πr

Here it is:

C=2π×3=6π

To calculate the value you can assume that π3.14. Then you get:

C=6π6×3.14=18.84

Answer:

The circumference is C=6π cm (ca18.84cm)



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