Relationships Between Angles

What relationship exists between angles 2 and 3

• Corresponding angles

• Supplementary angles

• Vertical angles

• Alternate Exterior Angles

Name a pairs of vertical angles in the figure.

• ∠1 and ∠4

• ∠6 and ∠5

• ∠2 and ∠4

• ∠1 and ∠6

What angle pair is pictured?

• Alternate Interior Angles

• Supplementary Angles

• Vertical Angles

• Corresponding Angles

complementary, supplementary, or neither?

• Complementary

• Supplementary

• Neither

Which angles are vertical angles?

Which angle is a vertical angle to with \angle7 ?

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

This is what kind of angle?

• obtuse

• right

• straight

• acute

Which are pairs of vertical angles?

• ∠COB and ∠COA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOD

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles