The Circle segment reference article from the English Wikipedia on 24-Apr-2004
(provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Circle segment

Sponsorship the way you would do it
The geometric concept of a circle segment is an area of a circle informally defined as an area which is "cut off" from the rest of the circle by a secant. The circle segment constitutes the cut off part not containing the circle's center point.

This article is a stub. You can help Wikipedia by expanding it.