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

Right Triangle Inscribed in a Semicircle
Basic and Compound Inequality Illustrator
Squaring a Rectangle (PST Version)
Perpendicular Lines: Quick Exploration
Segment Addition Postulate (Mild Questions)

Discover Resources

Conic sections
Niemeyer Slide
Confidence Interval for a Proportion Exploration
Erika1
MinMax Secant Lines

Discover Topics

Secant Line or Secant
Intersection
Conditional Probability
Dilation
Means