Chapter 8 Angles Review

What is the degree of one full revolution?

The corner point of an angle is called a _____.

The angle $79\degree$ is:

• Acute

• Right

• Obtuse

• Reflex

The angle $234\degree$ is:

• Acute

• Right

• Obtuse

• Reflex

The angle $100\degree$ is:

• Acute

• Right

• Obtuse

• Reflex

If two acute angles are added together, which of the following is NOT possible for their sum:

• Acute

• Right

• Obtuse

• Straight

When two angles add up to $90\degree$ , they are:

• Complementary

• Supplementary

• Right

• Straight

If two angles are complementary and one of them is $77\degree$ , what is the size of the other angle?

•  $13\degree$  
  

•  $23\degree$  
  

•  $77\degree$  

•  $123\degree$  
  

When two angles add up to $180\degree$ , they are:

• Complementary

• Supplementary

• Right

• Straight

If two angles are supplementary and one of them is $31\degree$ , what is the size of the other angle?

•  $31\degree$  
  

•  $59\degree$  
  

•  $121\degree$  

•  $149\degree$