Classify Angles

This is what kind of angle?

• obtuse

• right

• straight

• acute

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles

What is the vertical angle to angle 4?

• Angle 2

• Angle 6

• Angle 8

• Angle 7

Which angle is a vertical angle to with \angle7 ?

What type of angles are these?

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

Which angles are non-adjacent with \angle8 ?
 (mark all that apply)

• 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 angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

Which are pairs of adjacent angles?

• ∠COB and ∠DOA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOC