Sum of Interior Angles of a Polygon

Investigate the sum of the angle measures of a polygon with any number of sides.
Putting It All Together
[i]Answer these open ended questions on your own or with others to form deeper math connections. [/i]
What is the sum of the measures of three angles in a triangle?
What do you think the sum of the measures of the angles in a 10-sided polygon would be?  [br]Explain.
How would you find the sum of the measures of the angles of a 100-sided polygon?
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Información: Sum of Interior Angles of a Polygon