If you mean the radius of a circle then it is half of the circle's diameter
Not =
If you mean a line that gous from the center of a circle to the edge of the circle, that is a radius.
It's the symbol for anarchy.
I believe a circle within a circle is not part of Braille - Braille consists of a series of dots arranged in patterns.
low tire pressure if it is the upside down half circle, kinda like a U with an exclamation.
Low tire pressure
This represents the Yin/Yang symbol, especially when one half of the circle is shaded black and the other half is white (with the white half half having a black dot in it, and the black half having a white dot. Superman gone gay? LOL
If you mean the radius of a circle then it is half of the circle's diameter
If you mean the radius of a circle then it is half of the circle's diameter
to break it in half
R = Radius The radius is half the diameter of a circle.
Not =
It is the symbol for Alcoholics Anonymous.
180 degrees, if you mean a half circle
a cirlce with a v inside it means that its a volt meter
A c inside a circle means "with" in medical terms.