Angle relationships

Which angles are vertical angles?

• Complementary

• Supplementary

• Adjacent

• Vertical

• Complementary

• Supplementary

• Adjacent

• Vertical

Find the value of x.

• 140

• 40

• 180

• 100

Identify the relationship:

• vertical

• supplementary

How many degrees do complimentary angles add up to be?

• 180 degrees

• 90 degrees

• 120 degrees

• 75 degrees

How many degrees do supplementary angles add up to be?

• 90 degrees

• 120 degrees

• 75 degrees

• 180 degrees

Which are pairs of adjacent angles?

• ∠COB and ∠DOA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOC

What is the measure of angle A?

• 30^o

• 80^o

• 75^o

• 60^o

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles