Angles that are on the same side of the transversal and inside the parallel lines.
What are Same Side Interior Angles?
What kind of angles are <1 and <3?

What are vertical angles?
For what value of x are lines a and b parallel?

What is x = 30?
(2,-4) and (-2,3)
8.1
The Exterior Angle Theorem states that the exterior angle is equal to what?
The sum of the two remote interior angles.
Angles that are on different sides of the transversal and outside the parallel lines.
What are Alternate Exterior Angles?
What kind of angles are <1 and <7?

What are Alternate Exterior Angles?
For what value of x are lines a and b parallel?

What is x = 22?
(3,-2) and (6,4)
6.71
Find the exterior angle when the two interior angles are 73 and 58 degrees.
131 degrees
Angles that are on the same side of the transversal and outside the parallel lines.
What are Same Side Exterior Angles?
What kind of angles are <4 and <6?

What are Alternate Interior Angles?
Is j||k? Explain.

What is yes, j||k, because 2 acute angles are equal? (OR because Alternate Interior Angles are Congruent)
(4,-7) and (-6,-8)
10.04

Solve for x.
x = 49
Angles that are in the same spot but on different parallel lines. Often referred to as "same seat different row".
What are Corresponding Angles?
What kind of angles are <3 and <7?

What are Corresponding Angles?
What is the measure of the obtuse angle?

What is 121o?
(6,-2) and (7,-5)
3.16
Measure of angle X=60 Measure of angle Y=40 What are the measures of the missing angles W and Z?
Measure of angle W=100 Measure of angle Z=80
Angles that are on different sides of the transversal and inside the parallel lines.
What are Alternate Interior Angles?
What kind of angles are <3 and <6?

What are Same Side Interior Angles?
For what value of x are lines a and b parallel?

What is 6?
(12,-13) and (-11,14)
35.47
What is the measurement of angle B? 
m<B = 39 degrees