Angles

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.

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

• x = 56

• x = 66

• x = 156

• x = 166

These angles are...

• Complementary

• Supplementary

• Neither

Find the missing angle.

• 60
• 70
• 50
• 140

Find the missing angle.

• 43
• 47
• 57
• 67

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

What angle pair is pictured?

• Alternate Interior Angles
• Supplementary Angles
• Vertical Angles
• Corresponding Angles

What kind of angles are shown?

• complementary
• supplementary
• adjacent
• corresponding