Triangle Proportions

Author:Tom

Click the hide/show checkbox to explore the angle bisector & side proportionality OR the parallel line "Side Splitter" proportionality in a triangle. Drag points to change the triangle or slide the parallel line intersection.

New Resources

挂谷问题——三尖瓣形
Quadrant Illustrator 2
Parabolas, Lines and Nomograms
Pythagorean Theorem: Quick Illustrator
Function art 3D - waiting shed (v2)

Discover Resources

Similar Polygons
Verifying the Pythagorean Theorem
Angle Copy - #3 Compass & Straightedge with GeoGebra
Snowman
สมการเชิงเส้น HAPPY

Discover Topics

Secant Line or Secant
Trapezoid
Centroid or Barycenter
Stochastic Process or Random Process
Mathematics