Khan Academy Static

This tutorial introduces us to angles. It includes how we measure them, how angles relate to each other and properties of angles created from various types of intersecting lines. Mr. Angle is actually far more fun than you might initially presume him to be.

3715_Angles_parallel_lines_transversals.html

3716_Parallel_perpendicular_lines.html

3718_Parallel_lines_corresponding_angles_proof.html

3717_Missing_angles_with_a_transversal.html

3719_Missing_angles_CA_geometry_.html

3720_Proving_angles_are_congruent.html

3721_Line_angle_proofs_examples.html