Chapter 7 Test

Which are pairs of vertical angles?

• ∠COB & ∠COA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOD

Which are pairs of adjacent angles?

• ∠COB & ∠DOA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOC

Name the vertical angle to
∠h.

• ∠f
• ∠i
• ∠g
• ∠j

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

Vertical angles are always

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

∠1 and ∠2 are _____________

• Complementary

• Supplementary

• Adjacent

• Vertical

What angle is adjacent and supplementary to angle 5?

• ∠4

• ∠1

• ∠3

• ∠2

Name a pairs of vertical angles in the figure.

• ∠1 and ∠4

• ∠6 and ∠5

• ∠2 and ∠4

• ∠1 and ∠6

What is the measure of ∠BAD?

• 123^o

• 23^o

• 90^o

• 180^o

What is the measure of angle A? ( Hint- this is a straight angle).

• 30^o

• 80^o

• 75^o

• 60^o