3 years ago

Find the value of the circumference of a circle with the given diameter.

1 answer:

7 0

C= 2πr, and 2r = D (diameter). So, you can also use this equation: C =Dπ
Since we know the diameter, and we know the value of π, we can easily calculate the value of circumference.
C = Dπ
C = 3.21π
This means that the correct answer is B. 3.21 pi

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