Khan Academy Static

We hate to pick favorites, but there really are certain right triangles that are more special than others. In this tutorial, we pick them out, show why they're special, and prove it! These include 30-60-90 and 45-45-90 triangles (the numbers refer to the measure of the angles in the triangle).

3931_Special_right_triangles_intro_part_2_.html

3934_Special_right_triangles_proof_part_2_.html

3932_30_60_90_triangle_example_problem.html

3930_Special_right_triangles_intro_part_1_.html

3933_Special_right_triangles_proof_part_1_.html

3935_Area_of_a_regular_hexagon.html