Angle Relationships

• 100°
• 80°
• 90°
• 180°

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

If angle ∠ABD is 67°. What is ∠DBC?

• 180°
• 90°
• 67°
• 23°

If ∠COB is 124°, then what is ∠BOD? How are they related?

• 56°, they are supplementary
• 90°, they are complementary
• 124°, they are vertical

Find the value of x

• -5
• 28
• 19
• -3

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

Find the value of x.

• 14
• 60
• 35
• 180

Find m∠ADE. 

• 77°
• 93°
• 110°
• 80°

Name the angle relationship.

• Alternate Interior
• Alternate Exterior
• Corresponding
• Vertical Angles