Asked by kamleen

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
Answered by Ms. Sue
No. You need to use the numerical value of pi = 3.14

Answered by Anonymous
You need to do 3.14*2*3 mm
Answered by kamleen
butt u don't have to use pi you just put it next to the pi next to number
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