Two parallel lines cut by a transversal-Angle relationships

Author:Ben Huhner

What do you notice about the angles in the figure below? Click and drag points A and D to move parts of the picture around. What changes? What stays the same?

New Resources

GeoGebra around GeoGebra
Proving Triangles Congruent (2): One Step Transformations
seo tool
Let's fly!
Trophy (version 2)

Discover Resources

Multiply Vectors by Constant in XY Plane Demo
Tom's Journey to School
Section 10.3 Problem #14
Trig
Parametric Function Demonstration

Discover Topics

Bar Chart or Bar Graph
Arithmetic Mean
Trigonometry
Random Variables
Hyperbola