Prove: || a b Steps Reasons are supplementary Given Def of Supplementary Ang’s Linear Pair Post. Add. Prop. Of Eq Commutative Prop. Of Eq Substitution Subtr Prop. Of Eq a || b Consec Int Converse Ang’s Prove the Alternate Interior Angles Theorem Converse in two-column form. Ex 4: Given: Prove: || a b Steps Reasons Given Vert. Theorem Transitive Property Corr. Postulate Converse Prove the Alternate Interior Angles Theorem Converse in paragraph form. Ex 5: Given: Prove: || a b
Prove: a || b Steps Reasons are supplementary Given Def of Supplementary Ang’s Linear Pair Post. Add. Prop. Of Eq Commutative Prop. Of Eq Substitution Subtr Prop. Of Eq a || b Consec Int Ang’s Converse Ex 4: Prove the Alternate Interior Angles Theorem Converse in two-column form. Given: Prove: a || b Steps Reasons Given Vert. Theorem Transitive Property Corr. Postulate Converse Ex 5: Prove the Alternate Interior Angles Theorem Converse in paragraph form. Given: Prove: a || b
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