Draw
Angle Relationships
Angle Relationships Part 2
Angle Relationships Part 3
Triangle Angles
Exterior Angle Theorem
100
Parallel lines.
Straight lines that never intersect
100
Two angles are congruent. The measure of the first angles is 42 degrees, what is the measure of the second angle
42
100
If a pair of adjacent angles formed by intersecting line add up to 180 degrees, what is their relationship?
Supplementary
100
If a transversal cuts two parallel lines, how many angles are formed?
8
100
What is the value of angle T?
T = 71
100
What is the Exterior Angle Theorem?
200
Complementary Angles
Two angles whose measures add up to 90
200
What is the relationship between angles 3 and 6 ?
Alternate Interior Angles.
200
One way to prove that lines are parallel lines is through understanding that corresponding angles are...
Congruent
200
What are angles that are across from each other called?
Vertical angles
200
What is the sum of the angles in a triangle?
The sum of angles in a triangle is 180 degrees
200
What is the measure of ∠ x
∠x= 149
300
Supplementary Angles
A pair of adjacent angles that add up to 180 degrees.
300
If the measure of angle 4 is 112, what is the measure of angle 6?
68
300
What kind of angle add up to 180 degrees?
Supplementary Angles
300
If the measure of angle 1 = 146 what is the measure of angle 5?
146
300
Find the value of ∠ x if <C = 72
∠ x = 70
300
What is the measure of the exterior angle?
105
400
Alternate Exterior Angles.
If two parallel lines are intersected by a transversal, these angles are located on the outside of the two parallel lines on opposite sides of the transversal.
400
What is the relationship between angles 5 and 8?
Vertical Angles.
400
If the measure of angle 2 is 30 degrees, what is the measure of angle 6? What is the angle relationship? 
30. Corresponding angles.
400
If the measure of angle 6 = 75 what is the measure of angle 7? What is the angle relationship?
75. Vertical Angles.
400
What is the value of ∠ a?
∠ a = 87
400
What is the measure of the exterior angle?
150 degrees
500
Alternate Interior Angles
If two parallel lines are cut by a transversal, these angles are on the inside of the two parallel lines and on opposite sides of the transversal.
500
If the measure of angle 2 is 37 degrees, what is the measure of angle 7? What is the angle relationship?
What is 37 and Alternate Exterior.
500
Given that a || m, measure of angle 5=98°, then the measures of angles 3 and 4 are:
Angle 3 =82 degrees and angle 4= 98 degrees
500
If the measure of angle 4 is 1270 what is the measure of angle 7? Explain how you know.
53. Angle 4 and angle 8 are corresponding angles, and Angle 7 is supplementary to angle 8. (180-127=53)
500
Find the missing angle measure:
75
500
What is the measure of the exterior angle?
60 degrees