cathydaves
cathydaves
23.06.2019 • 
Mathematics

Given: y llz prove: m25+ m2 + m26 = 180° angles lines statements reasons def. of substitution def. of straight angle angle addition postulate statements ✓ 1.y||z 2. z1 = 25 3. 232 26 reasons 1. given 2. alternate interior angles theorem 3. alternate interior angles theorem think about what it means when angles are congruent.

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