Find the measure of angle y. Round your answer to the nearest hundredth. (please type the numerical answer only) A right triangle is shown with one leg measuring 8, and the hypotenuse is labeled 13. An angle made with the leg measuring 8 and the hypotenuse is marked y degrees.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.