Supplementary and Complementary Angles

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

Are these angles complementary, supplementary or neither?

• complementary

• supplementary

• neither

What kind of angles are shown?

• complementary

• supplementary

• adjacent

• corresponding

Would ∠1 and ∠2 be complementary, supplementary, or neither?

• complementary

• supplementary

• neither

• I have no idea

Find the missing angle.

• 53

• 67

• 77

• 43

Find the missing angle.

• 28

• 32

• 60

• 38

Find the missing angle.

• 25

• 15

• 10

• 20

Find the value of x.

• 15

• 16

• 18

• 19

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

Find the missing angle.

• 60

• 70

• 50

• 140