Angle Pairs

What type of angles are these?

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

Which angles are vertical angles?

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

What are vertical angles?

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

Find x

• 53
• 90
• 37
• 27

Practice 1a: Name a pair of complementary angles

What is the value of x?

• 37
• 72
• 108
• 18

Find the missing angle.

• 60°
• 70°
• 50°
• 140