Disc
From Encyclopedia of Mathematics
The part of the plane bounded by a circle and containing its centre. The area of a disc is $S=\pi r^2$, where $r$ is the radius of the circle.
How to Cite This Entry:
Disc. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Disc&oldid=31789
Disc. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Disc&oldid=31789