Vocabulary
Similar Triangles
Parallel Lines Cut by a Transversal
Triangle Angle Sum
Exterior Angle Theorem
100
Angles whose sum is 180 degrees.
What are supplementary angles?
100
Which triangles are similar and why?
#1 #2 #3
#1 and #2
100
This is the relationship between angles 5 and 8.
What are Vertical Angles?
100
What is the value of T?
What is 71 degrees?
100
What is x?
x = 80
200
We call this the line that intersects two parallel lines
What is transversal?
200
Are these triangles similar? 
No
200
What is the relationship between angles 3 and 6 ?
What are Alternate Interior Angles?
200
What is the value of ∠ a?
What is 87 degrees?
200
X = 30
300
The sum of these angles is equal to the exterior angle.
What are remote interior angles?
300
Which triangles are similar?
A and C
300
The measure of angle 2 is 37o. This is the angle relationship that justifies that the measure of angle 7 is also 37o.
What are Alternate Exterior angles?
300
Find the value of ∠ x
What is x = 70?
300
This is the value of y.
What is y= 10?
400
Congruent Angles that lie on the same side of the transversal with one angle inside your parallel lines and one angle outside; Different tables, same position
What are corresponding angles?
400
Find the missing side ?
What is ? = 8?
400
72 and 108
400
Find the measure of the third angle.
What is 75 degrees?
400
This is the value of y.
What is y=15?
500
Two angles that are on opposite sides of the transversal but both inside the parallel lines; the angle measures are congruent.
What are alternate interior angles?
500
Find the missing side x.
x = 24
500
The measure of angle 4 is 112o, What is the measure of angle 6?
What is 68o?
500
This is the measure of angle A.
What is 30 degrees?
500
Find the measure of the exterior angle.
What is 150 degrees?