haedynhall haedynhall

13-03-2018
Mathematics

contestada

The circumference of a circle is 25.12 miles. What is the circle's diameter? C=25.12 mi Use 3.14 for pi

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baconboss27 baconboss27

13-03-2018

The answer to your question is 8mi. I just divide the circumference by pi to find your diameter.

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helpme566 helpme566

13-03-2018

Circumference=2pi*r or
and diameter=2r
in your case, the circumference is 25.12 miles, so we plug it in to the first formula:
25.12=2pi*r
12.56=3.14*r
4=r
and since 2r=diameter, the diameter is 8

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