# Chapter 2 - Reasoning and Proof - 2-3 Biconditionals and Definitions - Practice and Problem-Solving Exercises: 45

If $\angle A$ and $\angle B$ are a linear pair, then they are adjacent and supplementary angles.

#### Work Step by Step

The statement on the left side of the arrow is the hypothesis. The statement on the right is the conclusion. Substitute the corresponding statement for the given letter.

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