angle relationships test pre alg

Find the missing angle.

• 53

• 67

• 77

• 43

What is the measure of the missing angle?

• 76
• 86
• 166
• 156

Which are pairs of adjacent angles? Select all that apply.

• ∠COB & ∠DOA

• ∠AOD & ∠AOC

• ∠COB & ∠AOD

• ∠BOD & ∠AOD

• ∠COB & ∠COA

Which are pairs of vertical angles? Select all that apply.

• ∠COB & ∠COA

• ∠AOD & ∠AOC

• ∠COB & ∠AOD

• ∠BOD & ∠AOD

• ∠DOB & ∠COA

x = _________

• 146° - supplementary angles.

• 34° - alternating exterior angles.

• 146° - same-side interior angles.

• 34° - supplementary angles.

x = ________

• 77° - alternating exterior angles.

• 103° - alternating interior angles.

• 77° - vertical angles.

• 103° - vertical angles.

What is the value of "a"?

• 75°
• 65°
• 55°
• 85°

What is the value of "a"?

• 45
• 55
• 35
• 65

• x = 56
• x = 66
• x = 156
• x = 166

What is the value of "x"?

• 19
• 20
• 21
• 22