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Identify the correct two-column proof for this plan. Given: ∠1≅∠3 Prove: ∠2 and ∠3 are supplementary.

Plan: Use the Linear Pair Theorem to show that ∠1 and ∠2 are supplementary. Then use the definition of supplementary angles, congruence, and substitution.

Identify the correct two-column proof for this plan. Given: ∠1≅∠3 Prove: ∠2 and ∠3 are supplementary. Plan: Use the Linear Pair Theorem to show that ∠1 and ∠2 a class=

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