Isosceles Triangle Exploration
3) Use the POLYGON tool to construct the triangle ACD. How would you classify this triangle by its sides? Why is this?
What do you notice about two of the angles? (Be sure to select the MOVE tool again and move all 4 points around!)
What can you say about all isosceles triangle that is not always true about other triangles? This is called the Isosceles Triangle Theorem.