Measuring Angles

Find  $$m\angle1.$$  

Find the measure of each angle indicated. 

Alternate interior angles are on the ________ of the parallel lines but on opposite sides of the transversal.

What value of x proves that line p is parallel to line r?

Which angle is a vertical angle to with \angle7 ?

Given the following two parallel lines that have been cut by a transversal. Choose all the options that represent corresponding angles.

Given the two parallel lines cut by a transversal,

What is the measure of $$\angle4$$  if  $$m\angle8=76\degree$$  ?

(a)  

Which pair of angles must be supplementary so that r is parallel to s?

Which is the correct equation to solve for x?

Which pair of angles is an example of alternate interior angles?