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Mathematics 93 Online
OpenStudy (anonymous):

Triangle ABC is shown below. Given: ABC Prove: All three angles of ABC add up to 180°. The flow chart with missing reason proves the measures of the interior angles of ABC total 180°. Which reason can be used to fill in the numbered blank space? Answer Alternate Exterior Angles Theorem Alternate Interior Angles Theorem Corresponding Angles Postulate Same-Side Interior Angles

OpenStudy (anonymous):

Alternate Interior Angles Theorem

OpenStudy (anonymous):

My options are: Associative property of addition Triangle Exterior angle theroem Angle addition Postulate Commutave property of Addition

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