|
In the figure above is the chord of the circle, is the arc length , is the
radius, is the central angle determined by the chord , is the distance from the chord to the circle
and is the distance from the center of the circle to the
chord. The following relationships hold: ,
,
and .
From these we get
(1) |
(2) |
(3) |
(4) |
Is that surprising, or not?
This document was generated using the LaTeX2HTML translator Version 2002-2-1 (1.70)
Copyright © 1993, 1994, 1995, 1996,
Nikos Drakos,
Computer Based Learning Unit, University of Leeds.
Copyright © 1997, 1998, 1999,
Ross Moore,
Mathematics Department, Macquarie University, Sydney.
The translation was initiated by Bill Richardson on 2007-04-18