Answer
7a) Equal 7b) $\sqrt 2$
Work Step by Step
In a 45$^{\circ}$-45$^{\circ}$-90$^{\circ}$ triangle, the legs are always "equal" and the hypotenuse is always "$\sqrt 2$" times either leg.
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.