Angle Relationships

Find the value of x.

• 15

• 16

• 18

• 19

Tags

CCSS.7.G.B.5

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=25

• Complementary; x=5

• Supplementary; x=25

• Supplementary; x=5

Tags

CCSS.7.G.B.5

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.

Tags

CCSS.7.G.B.5

• x = 118

• x = 108

• x = 28

• x = 58

Tags

CCSS.7.G.B.5

These angles are...

• Complementary

• Supplementary

• Neither

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

Choose all answers that apply: Find the angle measurements that are complementary to each other.

• 75 and 105

• 75 and 15

• 25 and 65

• 34 and 146

• 38 and 52

Tags

CCSS.7.G.B.5

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

Tags

CCSS.7.G.B.5

Vertical angles are always

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

Tags

CCSS.7.G.B.5

What is the value of x?

• 37
• 72
• 108
• 18

Tags

CCSS.7.G.B.5