x+3x=180
x=45
Angle A and angle B are vertical angles. If angle A measures 50 degrees, what does angle B measure?
50 degrees
What are the complementary angles?
Two angles that add to 90o.
What is the supplementary angle?
Two angles that add to 180o.
What is the m<MON?

m<MON=40o.
2x+4x=180
x=30
Angle A and angle B are vertical angles. If angle A measures 135 degrees, what does angle B measure?
135 degrees
What is the complementary angle of 42 degrees
48 degrees
What is the supplementary angle of 52 degrees?
128 degrees
How would you write "m<" in words?
measure of angle
7x+5x=180
x=15
Angle A and angle B are vertical angles. If angle A measures 39 degrees, what does angle B measure?
39 degrees
What is the complementary angle of 69 degrees
21 degrees
What is the supplementary angle of 117 degrees?
63 degrees
What is the m<WOZ?

m<WOZ=110o
7x+83x=180
x=2
Angle A and angle B are vertical angles. If angle A measures 137 degrees, what is the supplement of angle B?
43 degrees
What is the complementary angle of 37.4 degrees
52.6 degrees
What is the supplementary angle of 44 degrees?
136 degrees
Find the measure of <EBC.

<EBC=145o