Chuckywilson
Chuckywilson Chuckywilson
  • 06-04-2016
  • Mathematics
contestada

How do i find the circumference of a circle? If I use a 3 as an estimate of pie and the circle is 10 mm across

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HunterGirl
HunterGirl HunterGirl
  • 06-04-2016
If you're using pie it would be

2*[tex] \pi [/tex]*5 because the radius is half of the diameter.

But since you're using three it's

2*3*5

If it helps remember: Twinkle twinkle little star, circumference equals 2 pi r
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