how do you find the circumference of a cirlcle?
There are 2 formula to find the circumference of a circle.\(\huge{\boxed{\bf{Circumference=2\pi r}}}\)\(\huge{\boxed{\bf{Circumference=\pi D}}}\)\(\pi\) is approximately 3.14r is radiusD is diameterand just a side note, \(\huge{\boxed{\bf{2 r = D}}}\)Hope that formula helps you :)
Answer:
2rPi:
Step-by-step explanation:
You can multiply the radius by 2, which gives you the diameter. Then you multiply by Pi, which is 3.14 OR 22/7. If you are in Khan Academy, don't use 22/7.
