Mathematics, 09.12.2020 23:30, jeremiah1212

Z anzu are supplementary 2. Supplement posturale 3. MZ1 +M ZABE = 180° 3. Definition of supplementary angles 4. MZ2 + MZ3 = MZADE 4. Angle Addition Postulate 5. MA + MZ2 + MZ3 - 1800 5. Substitution Property 6. 21 • ZA; 3 = 20 6. ? 7. mZ1 = MZA; M23 = MZC 7. Definition of congruency 8. Substitution Property B. ZA + MZABC + m2 = 180° Janet is trying to prove that the sum of the measures of the interior angles of a triangle is 180°. Which reason can she use to justify the statement in line 6? Alternate interior angles of parallel lines are congruent B Corresponding angles of parallel lines are congruent c Exterior Angle Theorem D Symmetric Property

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Z anzu are supplementary 2. Supplement posturale 3. MZ1 +M ZABE = 180° 3. Definition of supplementar...