Solving for Unknown Angles

Find the value of x.

• 14
• 60
• 35
• 180

Solve for x

• 20
• 25
• 120
• 180

Find x

• 74
• 148
• 37
• 90

Find the value of x. 

• 14
• 112
• 108
• 104

What is the value of x?

• 15
• 16
• 18
• 19

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=25
• Complementary; x=5
• Supplementary; x=25
• Supplementary; x=5

• 2x-6=7x+4
• 2x-6+7x+4=90
• 2x-6+7x+4=180
• 2x-6+7x+4=360

What is the measure of the missing angle?

• 82 degrees

• 72 degrees

• 43 degrees

• 52 degrees

What is the measure of the missing angle?

Which angles are vertical angles?

• $\angle8\ \ and\ \angle7$

• $\angle8\ and\ \angle6$

• $\angle8\ and\ \angle5$