Lines, Angles, Angle Pairs, and Parallel Lines

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.

Find the missing angle.

• 60°

• 70°

• 50°

• 140

What are supplementary 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

• x = 118

• x = 108

• x = 28

• x = 58

complementary, supplementary, or neither?

• Complementary

• Supplementary

• Neither

What it the measurement for angle 1?

• 140^o

• 180^o

• 40^o

• 160^o

• a.30

• b.60

• c.90

• d.120

 $\angle1$  and  $\angle2$  are ___.  

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

Classify angles 6 and 8

• corresponding angles

• alternate exterior algles

• vertical angles

• alternate interior angles

• supplementary angles

This is a(n):

• Line

• Ray

• Angle

• Line Segment