Angle Pairs - Adjacent, Complementary, Supplementary & Vertical

Vertical angles are always

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

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

If ∠A and ∠B are supplementary, and the measure of ∠A is 120°, what is the measure of ∠B?

• 180
• 50
• 60
• 80

What is an example of a pair of complementary angles?

• 13° and 45°
• 10° and 170°
• 81° and 9°
• 90° and 3°

What type of angles are these?

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

What is the complement of an angle whose measurement is 84 degrees?

• 96 degrees

• 6 degrees

• 86 degrees

• 16 degrees

Which angle is a vertical angle to with $\angle7$  ?

•  $\angle1$  

•  $\angle5$  

•  $\angle3$  

•  $\angle6$  

•  $\angle9$  

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

This is what kind of angle?

• obtuse
• right
• straight
• acute

What is the value of x?

• 37
• 72
• 108
• 18