Finding Unknown Angles

What type of angle is shown?

• acute
• obtuse
• right
• straight

What are complementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect.

What are supplementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect

What angle pair is pictured?

• Alternate Interior Angles
• Supplementary Angles
• Vertical Angles
• Corresponding Angles

What is the relationship between angle 1 and 2?

• Supplementary
• Complementary
• Vertical
• Obtuse

What kind of angles are shown?

• complementary
• supplementary
• adjacent
• corresponding

Find the value of x.

• 18°
• 28°
• 38°
• 118°

• x = 118
• x = 108
• x = 28
• x = 58

∠1 and ∠3 can best be described as -

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

What is the measure of the missing angle?

• 76
• 86
• 166
• 156