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corresponding - PowerPoint PPT Presentation

dai-townsend
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  1. corresponding alternate interior alternate exterior same-side interior Converse Theorem

  2. After the given, you may ONLY start with the Linear Pair Post. or the Vertical Angles Thm! Use one of the CONVERSE Thms. as the very last step! m1 + m7 = 180° Given m1 + m2 = 180° Linear Pair Post. Use 1 of the given angles … m1 + m7 = m1 + m2 Substitution Prop. of = m7 = m2 Subtraction Prop. of = 7  2 Def. of  (congruence) NOT the Alt. Exter. Thm! 6. Line a || Line b6. Alter. EXterior. ’s CONVERSE Thm!

  3. 4  8 Given 1  4 Vertical ’s Thm. 1  8 Substitution Prop. Of . Line a || Line b Alter. EXterior. ’s CONVERSE Thm!