Angle Practice

Practice 1a: Name a pair of complementary angles

• $\angle1\ and\ \angle2$

• $\angle3\ and\ \angle2$

• $\angle4\ and\ \angle5$

• $\angle3\ and\ \angle5$

Practice 1b: Name a pair of vertical angles

•  $\angle2\ \ and\ \angle4$ 

•  $\angle3\ \ and\ \angle2$ 

•  $\angle1\ and\ \angle4$ 

•  $\angle3\ \ and\ \angle5$ 

Practice 1c: Name a pair of linear pair angles

•  $\angle1\ \ and\ \angle4$ 

•  $\angle3\ \ and\ \angle2$ 

•  $\angle4\ \ and\ \angle5$ 

•  $\angle3\ \ and\ \angle5$ 

Practice 2: What is the supplement of 74.3 degrees?

• $105.7\degree$

• $180\degree$

• $148.6\degree$

• $15.7\degree$

Practice 3: check the two angle measurements you chose. Complementary angles should add up to...

Practice 5b:Vertical angles are complementary

• sometimes

• always

• never

Which are pairs of vertical angles?

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

Is this angle acute, obtuse, right or straight?

• acute

• obtuse

• right

• straight

Name an angle supplementary to

 $118\degree$  .

•  $62\degree$  

•  $72\degree$  

•  $30\degree$  

•  $45\degree$  

Which angle type is pictured?

• Acute
• Right
• Obtuse
• Straight