Need to turn into fraction but don't know how

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.

Asap! i'm not good math and i'm lost.

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6