Crack the code, radical equations

Answer this question only if you know the 30 points and

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

Find the solutions for a triangle with a =16, c =12, and b = 63º