This Understand the Properties of the Interior Angles of Triangles video also includes:
Is there a relationship between the 180º in a triangle and the 180º in a straight angle? Watch how two transversals create one triangle, and prove that the angles in a triangle will always equal 180º.
2 Collections 5 Views 3 Downloads CCSS: Designed
- Use as an introductory lesson before teaching angle relationships
- A free login is required to access the videos
- Explains the types of angle relationships and why they are given their names
- Additional videos in the series provide for further practice with angles