Sum of Interior Angles of a Triangle

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Skill:

Use a variety of triangles, quadrilaterals, and other polygons to draw conclusions about the sum of the measures of the interior angles.

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Sum of Interior Angles of a Triangle

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

Putting It All Together

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

Domanda a risposta aperta 1

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

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Domanda a risposta aperta 2

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

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Domanda a risposta aperta 3

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

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