Recognize the sum of the interior angles of a triangle as 180 degrees
Finding and understanding the angle measures of triangles
This video provides the student with a walkthrough on the Triangle Sum Theorem.
This video provides the student with a walkthrough of one or more examples from the concept "Triangle Sum Theorem".
Proves that the sum of a triangle is 180.
Illustrates that the sum of interior angles of a triangle is 180 degrees.
A simple interactive that allows you to play with a triangle and see how the angles change when you move on of the vertices.