find the cicumference of a circle a if its radius is 3mm
c= 2 pi r
c= 2 pi 3
3 x 2 = 6
Answer 6 pi mm
3 answers
No. You need to use the numerical value of pi = 3.14
You need to do 3.14*2*3 mm
butt u don't have to use pi you just put it next to the pi next to number
1 answer