Naming Angles and Types

What type of angle is shown?

• acute

• obtuse

• right

• straight

Which is NOT a way to name this angle?

• vertical angles

• not vertical angles

Practice 1c: Name a pair of linear pair angles

Name the angle in the picture.

• ∠X

• ∠Z

• ∠XYZ

This angle is written as......

•  ∠ABC

•  ∠ACB

• ∠BCA

• ∠CAB

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