Complementary and Supplementary Angles Missing Angles

Complementary angles always add up to

• x = 118

• x = 108

• x = 28

• x = 58

• x = 62

Q1. What is the sum of 20 and 23?

• 1) 23

• A) 20

• 2) 44

• C) 16

• 25
• 35
• 45
• 55

Question: What is the sum of 5 and 5?

• 10

• 17

• 80

• 90

What is the Value of x?

Mathematical Equivalence

ON

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

Find the missing angle.

• 60°

• 70°

• 50°

• 140

complementary, supplementary, or neither?

• Complementary

• Supplementary

• Neither