Angle bisector theorem (English)
Suchen nach " Angle bisector theorem " in NRICH | PLUS | maths.org | Google
Definition Niveau 2
For any triangle ABC, if we draw the angle bisector of the angle at B, and let P be the point where this meets AC, then AP/AB=PC/CB.
This can be proved easily from the sine rule.
This can be proved easily from the sine rule.
Finanziert durch: EU Socrates Minerva, HeyMath!, Cambridge University Press