Angle relationships

Which angles are vertical angles?

• x = 118

• x = 108

• x = 28

• x = 58

• x = 62

Which names a pair of adjacent angles?

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

Vertical angles are always

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

Find the value of x in the diagram so that the angles form a linear pair

• 118

• 62

• 72

• 68

What is the value of "a"?

• 75°
• 65°
• 55°
• 85°

• 15
• 16
• 18
• 19

3) Given the following two parallel lines cut by a transversal.

Which pair of angles represents alternate interior angles?

What is the value of x?

• 38

• 57

• 76

• 85