Art of Problem Solving
Art of Problem Solving: Straight and Vertical Angles
Video tutorial uses examples to reinforce understanding of straight and vertical angles. [5:30]
Sophia Learning
Sophia: Using Triangles to Find the Sum of Interior Angles
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon.
Sophia Learning
Sophia: Using Triangles to Find the Sum of Interior Angles
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon.
Sophia Learning
Sophia: Using Triangles to Find the Sum of Interior Angles
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon.
Loyola University Chicago
Math Flix: Complementary/supplementary Angle Computation
This QuickTime movie provides an opportunity to learn about computing the total degrees for complementary and supplementary angles. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying...