Vocabulary
Angles that add up to 90 degrees are ______.
Right Angle
Adjacent means ________.
Next to
Vertical Angles are __________.
Congruent/Same/Equal
Angles that add up to 180 degrees are ________.
Straight Angle
Adjacent angles are also ___________.
Supplementary angles
Angle A and Angle D are vertical. If Angle A is 80 degrees, what is the measurement of Angle D?
80 degrees
Congruent means _______.
Same or Equal
Angle B and Angle C are adjacent. Angle B is 50 degrees. What is the measure of Angle C?
130 Degrees
Angle B and Angle C are vertical. If Angle B is 105 degrees, what is the measurement of Angle C?
105 degrees
Angles that are congruent and share a vertex are _________.
Vertical Angles
Angle A and Angle D are adjacent. If Angle A is 120 degrees, what is the measurement of Angle D?
60 Degrees
Angle A and Angle D are vertical. If Angle A is 2x and Angle D is 30, what is the value of x?
15
Angles that share one side and a vertex are ____________.
Adjacent Angles
Angle B and Angle C are adjacent. If Angle B is 2x and Angle C is 4x, what is the value of x?
30 degrees
Angle B and Angle C are vertical. If Angle B is 2x+1 and Angle C is 101 what is the measure of Angle B?
101 degrees