Module 2.1 Vocab

∠1 and ____ are veritcal angles

• < 3

• < 2

• < 4

If m∠1 = 30°, then m∠3 = 

• 30°
• 60°
• 150°
• undetermined

What is the measure of the missing angle?

• 92
• 102
• 82
• 72

If the measure of ∠2 is 83°, what is the measure of ∠3?

• 7°
• 17°
• 83°
• 97°

Vertical angles are always

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

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°

Which of the following is a linear pair?

• 
• 
• 
• 

Identify the linear pair in the given figure.

• 122

• 142

• 132

• 128

Identify the value of a in the given figure.