Please help me! I will mark you as brainliest!

The hypotenuse of a 45 -45 -90 triangle measure 7 square root 2 units

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.

Select all of the following expressions that are equal to 2.5.