Angle Relationships

Find the missing angle.

• 28
• 18
• 38
• 22

What is the measure of the missing angle?

• 76
• 86
• 166
• 156

What are vertical angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that add up to 360°
• Angles that are opposite of each other when lines intersect and are equal

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

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.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

What is the value of x?

• 130

• 55

• 40

• 35

• 100°
• 80°
• 90°
• 180°

Vertical angles are always

• 90 degrees

• 180 degrees

• congruent

• adjacent

Name the angle relationship shown.

• Adjacent

• Vertical

• Complementary

• Supplementary