3.7a Angle Review (In Class Game)

What are supplementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect

What are vertical angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that add up to 360°
• Angles that are opposite of each other when lines intersect and are equal

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

• True

• False

Vertical angles are always

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

∠1 and ∠3 can best be described as - 

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

What are complementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect.

Name a pair of complementary angles.

•  $\angle1\ \ and\ \ \angle2$ 

•  $\angle3\ \ and\ \ \angle2$ 

•  $\angle4\ \ and\ \ \angle5$ 

•  $\angle3\ \ and\ \ \angle5$ 

Name a pair of vertical angles.

•  $\angle2\ \ and\ \angle4$ 

•  $\angle3\ \ and\ \angle2$ 

•  $\angle1\ and\ \angle4$ 

•  $\angle3\ \ and\ \angle5$