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Sum of Interior Angles of a Triangle

Discover the sum of the angle measures in any triangle in this activity.

Tarea 1

Putting It All Together

Answer these open ended questions on your own or with others to form deeper math connections.

Tarea 2

If you move the point to change the original triangle, what happens to angle ?

Tarea 3

What is the sum of all the interior angles of a triangle?

Tarea 4

Do you think it is possible to have a triangle with angles 50°, 60°, and 80°? Explain.