Complementary and Supplementary Angles

What is an example of a pair of complementary angles?

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

What kind of angles are shown?

• complementary
• supplementary
• adjacent
• corresponding

Find the missing angle.

• 60°
• 70°
• 50°
• 140

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.

• x = 118
• x = 108
• x = 28
• x = 58

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 is the measure of the missing angle?

• 9
• 109
• 89
• 96

A straight line measures...

• 90 degrees

• 180 degrees

• 0 degrees

• 360 degrees

Choose all that apply: Which angle measurements below are supplementary to each other?

• 144 and 36

• 36 and 54

• 40 and 50

• 126 and 54

• 21 and 159

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

• Complementary
• Supplementary
• Neither