Triangle Angle Bisector Theorem

Author:Kevin Taylor

Try to determine which segments are proportional to each other. When you think you've found it, change the shape of the figure and see if it is still true.

New Resources

Midpoint Theorem (V2): Integer Solutions
Congruent Figures
Isosceles Right Triangle
Modifiable Right Triangular Prism
Squaring a Rectangle (PST Version)

Discover Resources

Transformations (NJT)
Cut By a Transversal
Ellipse: n equal arcs (debug)
Angle Bisector
Angles in parallel lines

Discover Topics

Quadrilaterals
Equilateral Triangles
Cuboid
Limits
Scatter Plot