talleda2
talleda2
13-12-2018
Mathematics
contestada
Hello, I really need help with this!
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sonjak
sonjak
13-12-2018
1. Given
2. Definition of Supplementary Angles
3. First Substitution
4. Subtraction property of Equality
5. Second Substitution
6. Exterior Side in Opposite Rays
7. If corresponding angles are equal, then lines are parallel
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