Finding Missing Angles Using Equations

7.EE.4a LESSON: Using Equations to Solve Angle Problems

Multiple Choice

Find the value of x.

• 18°
• 28°
• 38°
• 118°

Multiple Choice

∠1 and ∠3 can best be described as -

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles

Multiple Choice

The angle relationship shown is -

• complementary angles
• supplementary angles
• vertical angles
• angle bisector

Multiple Choice

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

Multiple Choice

Solve for x

• 5
• 90
• 25
• 10

Multiple Choice

Solve for x

• 20
• 25
• 120
• 180

Multiple Choice

Find the value of x.

• 15
• 16
• 18
• 19

Multiple Choice

What type of angles are these?

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles