Sum of the Angles in a Triangle
- Amy O'Brien
In our first lesson we are going to investigate the sum of the interior and exterior angles in a triangle. Key words: Angle Triangle Sum Interior Exterior
Interior Angles in a Triangle
What do you notice about the interior angles in a triangle?
Describe the relationship in words, a formula or both
Exterior Angles in a triangle
What do you notice about the exterior angles in a triangle?