Two angles are suppplementary if the sum of their angles is 180^o

• True
• False

Complementary angles are angles that add up to ___________. 

• 180 degrees
• 90 degrees
• 360 degrees
• 100 degrees

Vertical angles are always

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

Vertical angles ...

• add up to 180

• add up to 90

• are congruent (have the same measurement)

• share a ray (are next to each other)

What type of angles are these?

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

What is the measure of ∠2?

• 38
• 58
• 71
• 142

Find the missing angle.

• 74
• 66
• 35
• 16

Find the value of x.

• 15
• 16
• 18
• 19

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=25
• Complementary; x=5
• Supplementary; x=25
• Supplementary; x=5

Find the missing angle.  Find x.

• 15^o
• 50^o
• 130^o
• 165^o