What is the measure of angle b?
90
Sum of complementary angles
90 Degrees
What is a vertex?
The point where two angles come together.
Angles A and B are Supplementary. Angle A measures 85 degrees. What is the measure of Angle B?
Angle B is 95 degrees.
What is the measure of angle MAL?
30
Sum of supplementary angles
180 Degrees
The type of lines that NEVER intersect
Parallel Lines
Angles A and B are vertical. If Angle B = 75 degrees, what does Angle A equal?
75 degrees
What is the value of x?
31
Angles that are congruent
Vertical Angles
What does congruent mean?
Same size and same shape.
Equal!
How many degrees are in a triangle?
180
What is the measure of angle AED?
155
Angles that are next to each other
Adjacent Angles
Give a definition for vertical angles.
Opposite angles that share a vertex and are congruent.
Angles M, N, and O are complimentary. Angle M measures 20 degrees. Angle O measures 45 degrees. What does Angle N measure?
25 degrees
What is the angle of FEG?
65
Vertical angles are always __________
Congruent (the same)
Give a definition for adjacent angles.
Angles that share a side and a vertex.
Draw a picture of a pair of adjacent angles.
See drawing...