a. Alternate -interior angles are supplementary b. Alternate-exterior angles are supplementary c. Corresponding angles are congruent d. Same-side interior angles are congruent For numbers 15-18, choose the appropriate reason to each given statement. Given ABC ACD Prove: m m2ACD a. Definition of Congruent Angles b. Exterior Angle Inequality Theorem c. Given d. Substitution REASONS STATEMENTS ACD 1. ABC 2. mABC = m 2ACD 3. maDAC> m²ACD 15. 16. 17. 18.
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Answer:
15. C
16. A
17. B
18. D
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