Angle Pair Relationships

Angle Pair Relationships

Essential Question:

How can you find the measures of angles formed by intersecting lines?

Complementary Angels:

Two angles that add to 90o
 $30\degree+60\degree=90\degree$  


Multiple Choice

What are complementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

• Angles that are opposite of each other when lines intersect.

Multiple Choice

• x = 56

• x = 66

• x = 156

• x = 166

Multiple Choice

• x = 118

• x = 108

• x = 28

• x = 58

Supplementary Angels:

Two angles that add to  $180\degree$  
 $120\degree+60\degree=180\degree$  


Multiple Choice

• x = 118
• x = 108
• x = 28
• x = 58

Multiple Choice

What kind of angles are shown?

• complementary
• supplementary
• adjacent
• corresponding

Multiple Choice

What is the measure of the missing angle?

• 92
• 102
• 82
• 72

Multiple Choice

What term is used to describe a pair, or group, of angles that equal 180 degrees?

• Supplementary Angles
• Complementary Angles
• Vertical Angles
• Congruent Angles

Vertical Angels:

If 2 angles are vertical then they are congruent.

 $\angle y\cong\angle y$  

 $\angle x\cong\angle x$  

Multiple Choice

Name the angle relationship.

• Alternate Interior
• Alternate Exterior
• Corresponding
• Vertical Angles

Multiple Choice

Which of the following is NOT an example of supplementary angles?

•  $\angle7\ and\ \angle8$  

•  $\angle2\ and\ \angle3$  

•  $\angle1\ and\ \angle7$  

•  $\angle6\ and\ \angle4$  

Multiple Choice

Which of the following angles would NOT be congruent to the measure of  $\angle7$ ?

•  $\angle2$  

•  $\angle3$  

•  $\angle6$  

•  $\angle8$  

Multiple Choice

If the  $m\angle5\ =\ 63\degree,$  find the measure of  $\angle3.$  

•  $63\degree$  

•  $117\degree$  

•  $180\degree$  

• Cannot be determined

Multiple Choice

Angle 6 and Angle 7 are examples of which type of angle pair?

• Alternate exterior angles

• Alternate interior angles

• Vertical angles

• Corresponding angles

Multiple Choice

Find the measure of angle 1

• 37

• 143

• 180

• 47

Multiple Choice

Supplementary Angles measure _____ degrees.

• 180
• 55
• 100
• 90

Multiple Choice

If m∠1 = 30°, then m∠3 = 

• 30°
• 60°
• 150°
• undetermined

Multiple Choice

The angle relationship shown is - 

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles

Multiple Choice

∠1 and ∠3 can best be described as -

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles