A c inside a circle means "with" in medical terms.
Copyright is symbolised with a little c in a circle.
Copyright
copyright symbol is c with circle ©
The c in a circle means 'copyright'.
A circle does not have a circumstance. Assuming that you mean circumfernece, the answer is c = 2*pi*r
A little R in a circle usually means "registered trademark".
The letter "c" refers to "copyright". The circle-C symbol is easily recognized, even by people who do not understand English.
If you mean this: © then it means 'copyright'.
This is a Ditloid. The answer is 0 (zero) Sides on a Circle.
The circumference of a circle is: 2*pi*radius
It means the logo has a copyright.