Angle bisector theorem proof | Special properties and parts of triangles | Geometry | Khan Academy - By Khan Academy
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DESCRIPTION:
In this video, we'll quickly review the angle bisector theorem, and then we'll see how it's proven. We prove it by extending a parallel line to one of the triangle's legs. That tells us information about the interior angles!
OVERVIEW:
Angle bisector theorem proof | Special properties and parts of triangles | Geometry | Khan Academy is a free educational video by Khan Academy.It helps students in grades HS practice the following standards HSG.SRT.B.4.
This page not only allows students and teachers view Angle bisector theorem proof | Special properties and parts of triangles | Geometry | Khan Academy but also find engaging Sample Questions, Apps, Pins, Worksheets, Books related to the following topics.
1. HSG.SRT.B.4 : Prove theorems about triangles. Theorems include: a line parallel to one side of a triangle divides the other two proportionally, and conversely; the Pythagorean Theorem proved using triangle similarity..
