Angles THeorems

Find the value of x if the  $m\angle3\ =\ -4x+5\degree$ and the  $m\angle5\ =\ -13x+39\degree$ .

• -3.8

• 3.8

• -8

• 8

Find the value of x if the  $m\angle1\ =\ 12x+19\degree$ and the  $m\angle2\ =\ 22x-9\degree$ .

• -2.8

• 2.8

• -5

• 5

If the  $m\angle1\ =\ 57\degree,$  find the measure of  $\angle6.$  

•  $123\degree$  

•  $57\degree$  

•  $180\degree$  

• Cannot be determined

If the  $m\angle5\ =\ 63\degree,$  find the measure of  $\angle3.$  

•  $63\degree$  

•  $117\degree$  

•  $180\degree$  

• Cannot be determined

What is the value of x?

• 10

• 5

• -12

• 9

Solve for x.

• 16

• 11

• 50

• 6

• A

• B

• C

• D

Find the value of x.

• A

• B

• C

• D

What is the value of x?

• 60

• 26

• 14

• 10

• 2x-6=7x+4

• 2x-6+7x+4=90

• 2x-6+7x+4=180

• 2x-6+7x+4=360