DallasLifeBaby01
  • DallasLifeBaby01
Find the circumference of the following circle. (Use 3.14 for π.) drawing in the comments
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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DallasLifeBaby01
  • DallasLifeBaby01
|dw:1437871014331:dw|
Astrophysics
  • Astrophysics
\[C = 2\pi r\]
Astrophysics
  • Astrophysics
What is the diameter they gave you?

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DallasLifeBaby01
  • DallasLifeBaby01
all they gave me is a picture the one i drew
Astrophysics
  • Astrophysics
You were given no dimensions at all?
Astrophysics
  • Astrophysics
Check again
DallasLifeBaby01
  • DallasLifeBaby01
it only has the circle and the 5 inches
Astrophysics
  • Astrophysics
Oh so it has 5 inches as the diameter, sorry the image didn't show 5 inches for me.
Astrophysics
  • Astrophysics
So you need to find the radius \[r = \frac{ d }{ 2 }\]
DallasLifeBaby01
  • DallasLifeBaby01
so would i divide 5 by 2?
Astrophysics
  • Astrophysics
Yes, exactly
Astrophysics
  • Astrophysics
Because that's the diameter, the radius is half of a the diameter, |dw:1437871404552:dw|
DallasLifeBaby01
  • DallasLifeBaby01
oh okay thanks
Astrophysics
  • Astrophysics
|dw:1437871435710:dw|
Astrophysics
  • Astrophysics
See radius is half of the diameter, and np
DallasLifeBaby01
  • DallasLifeBaby01
how would i find circumference?
Astrophysics
  • Astrophysics
\[C = 2 \pi r\] circumference is the distance around a circle, which is given by the formula I provided.
DallasLifeBaby01
  • DallasLifeBaby01
okay so would i multiply 2 x Pi x the radius?
Astrophysics
  • Astrophysics
Yup, remember they want you to use 3.14 for pi
DallasLifeBaby01
  • DallasLifeBaby01
let me solve and ill tell you what i get
Astrophysics
  • Astrophysics
Ok np
DallasLifeBaby01
  • DallasLifeBaby01
i got 15.7
Astrophysics
  • Astrophysics
:)
DallasLifeBaby01
  • DallasLifeBaby01
was i correct?
Astrophysics
  • Astrophysics
Yup
DallasLifeBaby01
  • DallasLifeBaby01
yayy thank you!
Astrophysics
  • Astrophysics
Your welcome

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