SOLUTION: i need to know circumference of the cicle of r=3 cm.

Algebra ->  Points-lines-and-rays -> SOLUTION: i need to know circumference of the cicle of r=3 cm.      Log On


   

Question 81151: i need to know circumference of the cicle of r=3 cm.
Answer by tutor_paul(519) About Me  (Show Source):
You can put this solution on YOUR website!
Circumference of a circle = 2*pi*r
pi is a constant and you can use 3.14 for it's value in this case.
So,
C=2%283.14%29%283%29
C=18.84cm
Good Luck,
tutor_paul@yahoo.com