Special Angle Practice 2

Find the value of x.

• 30

• 60

• 90

• 180

Find the value of x.

• 10

• 12

• 6

• 2

Find the measure of ∠CBD. (Hint: you must first solve for x)

• 70

• 15

• 140

• Answer not listed

Vertical angles are always

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

If m∠1 = 30°, then m∠3 = 

• 30°
• 60°
• 150°
• undetermined

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

• 15
• 16
• 18
• 19

• 5

• 2

• 6

• 13

Practice 1c: Name a pair of linear pair angles

Practice 1c: Name a pair of vertical angles