Supplementary and Complementary Angles

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

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

• x = 118

• x = 108

• x = 28

• x = 58

Tags

CCSS.7.G.B.5

Solve for x

• 20

• 25

• 120

• 180

Tags

CCSS.7.G.B.5

Find the value of x.

• 15

• 30

• 45

• 60

Tags

CCSS.7.G.B.5

Choose all answers that apply. Which of the following angles are supplementary?

• 42 and 48

• 12 and 78

• 78 and 102

• 38 and 144

Choose all answers that apply. Which of the following angles are supplementary?

• 42 and 48

• 47 and 133

• 70 and 102

• 38 and 144