Complementary Supplementary and Vertex

These angles are...

• Complementary

• Supplementary

• Neither

Angles whose measure sum up to 180 degrees.

• Vertical

• Adjacent

• Complementary

• Supplementary

What is an example of a pair of complementary angles?

• 13° and 45°

• 10° and 170°

• 81° and 9°

• 90° and 3°

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

To find x, what equation would you use?

• 2x-6=7x+4

• 2x-6+7x+4=90

• 2x-6+7x+4=180

• 2x-6+7x+4=360

Find the value of x.

• 14

• 60

• 35

• 180

Find the value of x. 

• 61

• 40

• 54

• 47

∠1 and ∠3 can best be described as -

• complementary angles

• supplementary angles

• vertical angles

• adjacent angles

∠AOB and ∠COB can best be described as - 

• complementary angles

• supplementary angles

• vertical angles

• adjacent angles

What is the relationship of the angle pair?

• Linear

• Supplementary

• Vertical

• Complementary