registered trade mark
®
You mean what Is the circumference of a circle? pi*(r)squared.
A little R in a circle usually means "registered trademark".
The clothing line with an "R" in a circle as its label is Ralph Lauren's Polo brand. This logo is often associated with the Polo Ralph Lauren line, which features a distinct polo player emblem as well. The "R" in a circle is part of the brand's trademark design, signifying its high-end fashion status.
Symbol for "registered trademark"
R means radius because the area of a circle = pi*radius2
R = Radius The radius is half the diameter of a circle.
Rossingnol
You mean what Is the circumference of a circle? pi*(r)squared.
radius
A little R in a circle usually means "registered trademark".
A circle does not have a circumstance. Assuming that you mean circumfernece, the answer is c = 2*pi*r
If you mean the circumference or "perimeter": C = 2(pi)r, where r is the radius of the circle
Symbol for "registered trademark"
that symbol means trademark
if you mean an arc, then pi x r
R means radius because the area of a circle = pi*radius2
That's the formula for the area of a circle.