Question

what is the circumference of a circle that's radius is 6.3​

Answer 1

39.58 and this is because the radius is half of the diameter so the diameter can be though of as 2r. The formula is C= 2pi r

Answer 2

Answer:

6.3*2= 12.6

12.6*3.14= 39.5

39.5 is the answer