Angles

Find the value of x.

• 15

• 16

• 18

• 19

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

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

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.

• x = 118

• x = 108

• x = 28

• x = 58

Solve for x

• 20

• 25

• 120

• 180

Solve for x

• 5

• 90

• 25

• 10

• x = 56

• x = 66

• x = 156

• x = 166

These angles are...

• Complementary

• Supplementary

• Neither

Find the value of x.

• 70

• 10

• 3

• 103