Supplementary angles - find unknown angle

• x = 118
• x = 108
• x = 28
• x = 58

Tags

CCSS.7.G.B.5

Are these angles supplementary?

• Yes

• No

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

Tags

CCSS.7.G.B.5

Are these angles supplementary?

• Yes

• No

What is the measure of the missing angle?

• 39
• 129
• 119
• 129

Tags

CCSS.7.G.B.5

What is the measure of the missing angle?

• 79
• 89
• 9
• 19

Tags

CCSS.7.G.B.5

What is the measure of the missing angle?

• 76
• 86
• 166
• 156

Tags

CCSS.7.G.B.5

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

• 180
• 50
• 60
• 80

Tags

CCSS.7.G.B.5

Choose all that apply: Which angle measurements below are supplementary to each other?

• 144 and 36

• 36 and 54

• 40 and 50

• 126 and 54

• 21 and 159

Tags

CCSS.7.G.B.5

Are these angles supplementary?

• Yes

• No