Quadrilaterals and Angle Relationships

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 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 vertical angles?

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

What is the complement angle to 30°?

• 60°
• 30°
• 150°
• 230˚

What is the supplement angle to 42°?

• 48°
• 138°
• 100°
• Not possible

_{These are complementary angles. Find x.}

• 15
• 25
• 75
• 90

What is the measure of ∠2?

• 38
• 58
• 71
• 142

Find the value of x

• -5
• 28
• 19
• -3

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

What is the value of angle F?

• 9
• 12
• 90
• 110