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OpenStudy (sicklefirebolt):
Prove that the sum of the measures of the interior angles of a triangle is 180°. Be sure to create and name the appropriate geometric figures.
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OpenStudy (anonymous):
180(n-2)=inner angles, n=number of sides of a regular figure.
OpenStudy (anonymous):
|dw:1399946877142:dw|
OpenStudy (anonymous):
Pentagon: 180(5-2)=540
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