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The Two Perpendicular Lines Theorem proves that ________.

A. alternate interior angles are congruent
B. supplementary angles sum to 180°
C. two lines are perpendicular
D. two lines are parallel

User Cronvel
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2 Answers

6 votes
The answer to your question is B
User Itzik Shachar
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4 votes
supplementary angles sum to 180° because each perpendicular angle forms 90° angle
User Stardust
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