2) Write a two-column proof. Given 21 is supplementary to 22 and pig Prove rs Two-Column Proof STATEMENTS 1. 2. mz1+mz2 = 180° 3. plq 4. 21 is supplementary to 22. 5. m/2mz3 7. 22 = 23 6. m1m23 = 180° 8. 21 is supplementary to 23. rs Reasons Bank REASONS 1. Given 2. 3. 4. 5. 6. 7. 8. Consecutive Interior Angles Converse Alternate Interior Angles Theorem Definition of supplementary angles (x2) AS 1 p # Substitution Property of Equality Given (x2) Definition of congruent angles

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