Discover the sum of the angle measures in any triangle in this activity.
[i]Answer these open ended questions on your own or with others to form deeper math connections. [/i]
If you move the point to change the original triangle, what happens to angle [math]A[/math]?
What is the sum of all the interior angles of a triangle?
Do you think it is possible to have a triangle with angles 50°, 60°, and 80°? Explain.