Any line that intersects two or more co-planar lines
What is a transversal
100
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
What are Same Side Interior Angles (Consecutive Interior)
100
Two angles are congruent. The measure of the first angle is 42 degrees, what is the measure of the second angle
What is 42
100
If a pair of adjacent angles formed by intersecting line are linear pairs, what is their relationship
What is supplementary
100
If a transversal cuts two parallel lines, how many angle measures do you need to know to figure out all 8 angle measures in the figure
What is 1
200
Two angles whose measures add up to 180 degrees
What are supplementary angles
200
Two angles whose measures add up to 90
What are Complementary Angles
200
What is the relationship between angles 4 and 5?
What are Alternate Interior Angles
200
One way to prove that lines are parallel lines is through understanding that corresponding angles are
What is congruent
200
Lines that are not co-planar and do not intersect
What are Skew Lines
300
When 2 parallel lines are both intersected by a transversal, these angles occupy the same position on the top and bottom parallel lines
What are Corresponding Angles
300
A pair of adjacent angles formed by intersecting lines
What are Linear Pair Angles
300
If the measure of angle 8 is 112, what is the measure of angle 6?
What is 68
300
To prove that lines are parallel one must understand that same side interior angles are
What is supplementary
300
If the measure of angle 1 is 4x-6 and the measure of angle 8 is 122, what is the value of x?
What is 4x-6=122
+6 +6
4x=128
x=32
400
Congruent angles that are formed by two intersecting lines
What are Vertical Angles
400
If two parallel lines are intersected by a transversal these angles are located on the outside of the two parallel lines and on the same side of the transversal
What are Same Side Exterior Angles
400
What is the relationship between angles 1 and 4?
What are Vertical Angles
400
If the measure of angle 2 is 30, what is the measure of angle 7?
What is 30
400
If the measure of angle 3 is 150 and the measure of angle 6 is 3x, what is the value of x?
x=50
500
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
What are Alternate Interior Angles
500
Co-planar lines that do not intersect
What are parallel lines
500
If the measure of angle 1 is 37, what is the measure of angle 8? What is the angle relationship?
What is 37 and Alternate Exterior Angles
500
Given that the measure of angle 1=98°, then the measures of angles 3 and 8 are:
What is 82 and 98 respectively
500
If the measure of angle 4 is 8x+35 and the measure of angle 6 is 2x+5, then find the measure of angle 8?