Answer
$$c=3\sqrt2$$
Work Step by Step
Using the Pythagorean theorem, we find:
$$c=\sqrt{a^2+b^2} \\c=\sqrt{3^2+3^2} \\ c=3\sqrt2$$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.