Question

What is the circumference of the following circle r = 1

Answer 1

Answer: C≈6.28

Step-by-step explanation:

C=2π r=2· π ·1≈6.28319

Therefor, the answer is 6.28

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Answer 2

Answer:

C = 2pi

C ≈ 6.28

Step-by-step explanation:

The circumference of a circle is given by

C = 2 * pi*r

C = 2 * pi *1

C = 2 * pi

Using 3.14 as an approximation for pi

C = 2*3.14

C = 6.28