Answer
If you live in Washington, D.C., then you live in the capital of the United States.
If you live in the capital of the United States, then you live in Washington, D.C.
Work Step by Step
The phrases on either side of "if and only if" in a biconditional can be used as the hypothesis and conclusion of a conditional and its converse. Recall that the converse of a conditional switches the hypothesis and conclusion.
