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Which of the following is the best approximation of the circumference of the circle?

16 centimeters
31 centimeters
79 centimeters
314 centimeters

Which of the following is the best approximation of the circumference of the circle-example-1

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The formula for the circumference of a circle is 2•Pi•R (radius)or Pi•D (diameter).
Since we have the Radius, 5, let's use the 2•Pi•R path.
Pi is defaultly used as 3.14

Plug in 5 for R.

2 • 3.14 • 5
2• 5 = 10
10 • 3.14 = 31.4

The circumference of your circle is 31.4 CM.

Answer: 31cm

I hope this helps!
User Triggs
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