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Mathematics 22 Online
OpenStudy (anonymous):

The figure below shows a parallelogram ABCD. The flow chart with missing reason proves that consecutive angles of a parallelogram add to 180°. Which reason can be used to fill in the blank spaces? Definition of a parallelogram Alternate interior angles are congruent. Same side interior angles theorem Definition of supplementary angles

OpenStudy (anonymous):

OpenStudy (anonymous):

Same side interior angles theorem

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