Sum of Interior Angles in a Triangle

Topic:
Angles
Create any triangle. What is the sum of the interior angles?

Advanced Assessment of the Situation:

4. What can you say about the lengths of the sides of the triangle when all the angles of the triangle are equal?

5. Knowing what you do about the angles when they are the same and your answer to question 4, how can you classify this triangle?

6. What is the degree measure when you create a straight line from the sides of the triangle & how is this angle classified?