supplementary angles

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 is an example of a pair of complementary angles?

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

What is the value of "a"?

• 75°
• 65°
• 55°
• 85°

What term is used to describe a pair, or group, of angles that equal 180 degrees?

• Supplementary Angles
• Complementary Angles
• Vertical Angles
• Congruent Angles

What is the value of "a"?

• 45
• 55
• 35
• 65

What is the value of "a"?

• 82
• 62
• 72
• 92

What is the value of "x"?

• 20
• 30
• 25
• 15

If x = 20, what are the measures of these angles?

• 40° and 140°
• 35° and 145°
• 70° and 110°
• 60° and 120°

What is the value of "x"?

• 19
• 20
• 21
• 22