You mean what Is the circumference of a circle? pi*(r)squared.
A little R in a circle usually means "registered trademark".
a target maybe?... or a bull's eye?
Symbol for "registered trademark"
registered trade mark ®
The company that has a red circle logo with a white R in it is Rossignol
R = Radius The radius is half the diameter of a circle.
You mean what Is the circumference of a circle? pi*(r)squared.
Rossignol
The company that has a red circle logo with a red R in it is RadioShack.
radius
A little R in a circle usually means "registered trademark".
a target maybe?... or a bull's eye?
A circle does not have a circumstance. Assuming that you mean circumfernece, the answer is c = 2*pi*r
Rossignol
Rossingnol
If you mean the circumference or "perimeter": C = 2(pi)r, where r is the radius of the circle