7.1-7.2 review

Which are pairs of vertical angles?

• ∠COB & ∠COA

• ∠AOD & ∠AOC

• ∠COB & ∠AOD

• ∠BOD & ∠AOD

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

What is the value of x?

• 37

• 72

• 108

• 18

Find the value of x.

• 14

• 60

• 35

• 180

What does X equal?

• X=51

• X=45

• X=39

∠1 and ∠2 are _____________

• Complementary

• Supplementary

• Adjacent

• Vertical

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

Name a pairs of vertical angles in the figure.

• ∠1 and ∠4

• ∠6 and ∠5

• ∠2 and ∠4

• ∠1 and ∠6

Find the value of x.

• 15

• 16

• 18

• 19