2.1.3 Angle relationships

Given the following two parallel lines cut by a transversal. $$\angle1$$  and $$\angle2$$  are ___.  

Which angle is a vertical angle to with $\angle7$  ?

Given the following two parallel lines cut by a transversal.

Which pair of angles represents corresponding angles?

Angles 4 and 6 are...

Given the following two parallel lines cut by a transversal. If the  $$m\angle5\ =\ 63\degree,$$  find the measure of  $$\angle3.$$  

Find the value of b.

Given the following two parallel lines cut by a transversal. If m∠6 = 50^o then m∠3 =

Given the following two parallel lines cut by a transversal. If the  $$m\angle7\ =\ 115\degree,$$  find the measure of  $$\angle2.$$