Angle Pair and their Relationships

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 measure of x?

• 60°, complementary
• 60°, supplementary
• 120°, vertical
• 120°, adjacent

Name the vertical angle to
∠h.

• ∠f
• ∠i
• ∠g
• ∠j

Find the missing angle.  Find x.

• 15^o
• 50^o
• 130^o
• 165^o

Which names a pair of adjacent angles?

• ∠CXD and ∠FXE
• ∠CXF and ∠DXE
• ∠CXD and ∠DXE

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 the complement angle to 12°?

• 78°
• 68°
• 168°
• 90°

Name the relationship between a and b.

• Complementary
• Supplementary
• Vertical
• Congruent

What is the relationship between angle ABC and angle CBD?

• Adjacent
• Vertical
• Complementary
• Supplementary