Angle Relations

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

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

• 180
• 50
• 60
• 80

If ∠K and ∠S are complementary, and the measure of ∠K is 58°, what is the measure of ∠S?

• 122
• 22
• 110
• 32

Find the value of x. 

• 41
• 44
• 128
• 38

Find the value of x. 

• 70
• 10
• 3
• 103

These angles are...

• Complementary
• Supplementary
• Neither

What is the measure of the missing angle?

• 39
• 129
• 119
• 129

What are complementary 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.

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

What is the measure of x?

• 47

• 133

• 105

• 39