Angles: Complementary Supplementary and Vertical

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

Are these angles an example of complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

Are these angles an example of complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

What is the measure of the missing angle?

• 39
• 129
• 119
• 129

Find the missing angle.

• 53

• 67

• 77

• 43

∠1 and ∠3 can best be described as -

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

Find the value of x.

• 18°
• 28°
• 38°
• 118°

If m∠1 = 30°, then m∠3 = 

• 30°
• 60°
• 150°
• undetermined

What is an example of a pair of complementary angles?

• 13° and 45°
• 10° and 170°
• 81° and 9°
• 90° and 3°