Complementary & Supplementary Angles

Complementary angles are angles that together equal

• 180 degrees

• 90 degrees

• 45 degrees

• 100 degrees

Find the missing angle.

• 53

• 67

• 77

• 43

Find the missing angle.

• 28

• 32

• 60

• 38

Find the missing angle.

• 25

• 15

• 10

• 20

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

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

What is the measure of the missing angle?

• 76
• 86
• 166
• 156

These angles are...

• Complementary
• Supplementary
• Neither

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

• complementary

• supplementary

• neither

• I have no idea