A circle with a radius of 6 mm has a circumference of 37.7 mm
A circle with a radius of 15.5 mm has a circumference of 97.39 mm.
The circumference of a circle, if the radius is 5mm, is about 31.42mm
The area and circumference of a circle with a radius of 9.5 mm are:A = 284mm2C = 59.7mm
28.27 mm
Radius of the circle: 6.28/2*pi = 0.999 mm or about 1 mm
C = ~226.195 mm
94.248 mm
Circumference = 2*pi*4 mm or 8*pi mm
188.40 mm
It is approx 302 mm.
C = 69.115 mm