Classifying Angles and Finding Missing Angles

• x = 118

• x = 108

• x = 28

• x = 58

• x = 62

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

What type of angles are these?

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

Which angles are vertical angles?

Which angle is a vertical angle to with \angle7 ?

This is what kind of angle?

• obtuse

• right

• straight

• acute

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

Which are pairs of vertical angles?

• ∠COB and ∠COA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOD

Which names a pair of adjacent angles?

• ∠CXD and ∠FXE

• ∠CXF and ∠DXE

• ∠CXD and ∠DXE