What is a transversal?
Any line that intersects two or more parallel lines.
Parallel lines
Straight lines that never intersect
Two angles are congruent. The measure of the first angle is 42 degrees, what is the measure of the second angle?
42 degrees
Angle 1=16x+22 has an Alternate Interior angle measuring 134O. Solve for x.
x=7
For the figure that Mrs. Gannon is holding up, name a plane that is parallel to plane ABC.
Plane DEF
What are supplementary angles?
Two angles whose measures add up to 180 degrees.
Linear Pair
Two adjacent angles that are supplementary.
What is the relationship between angles 3 and 6 ? 
Alternate Interior Angles (=)
Angle 2= 9x+2 has a Same Side Interior Angle measuring 133o. Solve for x.
x=5
For the figure that Mrs. Gannon is holding up, name a line that is parallel to (AC) ̅.
Line DF
When 2 parallel lines are both intersected by a transversal, these angles are in the same position. Name the angle relationship.
Corresponding Angles
Vertical Angles
Opposite angles formed with intersecting lines. These angles are congruent.
If the measure of angle 4 is 112, what is the measure of angle 6? 
68 degrees
Angle 1 = 6x-2 and Angle 2 = 11x-47. They are Corresponding Angles. Solve for x.
x=9
For the figure Mrs. Gannon is holding up, name a line that is skew to line EB.
Line DF or Line AC
What are vertical angles?
Draw a picture to help explain your words.
Congruent angles formed by two intersecting lines. These angles are located across from each other.
(opposite angles that are equal to each other)
Alternate Exterior Angles
If two parallel lines are intersected by a transversal, these angles are located on the outside of the two parallel lines on opposite sides of the transversal.
What is the relationship between angles 5 and 8? 
Vertical angles (=)
If the measure of angle 1 =9x-33 and angle 7=5x+3, find the value of x. 
x=15
For the figure Mrs. Gannon is holding up, name a line intersecting Line FC.
Line DF, Line FE, Line AC, Line BC
What are Alternate Interior Angles?
Draw a picture to help explain your words.
When 2 parallel lines are both intersected by a transversal these angles are inside of the two parallel lines and on opposite sides of the transversal.
(opposite side, inside)
Same-side interior angles (consecutive)
If two parallel lines are cut by a transversal, these angles are on the inside of the two parallel lines and on the same side of the transversal.
If the measure of angle 2 is 37 degrees, what is the measure of angle 7? What is the angle relationship? 
37 degrees
If angle 2 = 29x-3, angle 4 = 15x+7, and angle 7 = 13y-17, solve for x and y.

Given that angle 2 is 82 degrees, what do angle 3 and angle 4 equal?
x=4 and y=10
For the figure that Mrs. Gannon is holding up, name all the lines skew to Line DA.
Line FE and Line BC