Sum of Interior Angles of a Triangle

Sum of Interior Angles of a Triangle

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


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Putting It All Together

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

Open vraag 1

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

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Open vraag 2

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

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Open vraag 3

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

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