chriswelltaylor
chriswelltaylor
14-08-2017
Mathematics
contestada
Need help with this one plz
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Аноним
Аноним
14-08-2017
1. Given
2. Exterior sides in opposite rays
3. Definition of supplementary angles (two angles that added give 180°)
4. If lines are ||, corresponding angles are equal.
5. Substituting.
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