Angle Bisectors in a Quadrilateral
What is it about?
A Mathematical Droodle
Angle bisectors in a quadrilateral form another quadrilateral which is cyclic, i.e. a quadrilateral that can be inscribed in a circle. Indeed, the sum of opposite angles of the latter is always 180°. The same holds true for the external angle bisectors.
|Activities|
|Contact|
|Front page|
|Contents|
|Geometry|
|Store|
Copyright © 1996-2012 Alexander Bogomolny
| 
