Complementary and Supplementary Angles

Supplementary angles always add up to

Complementary angles always add up to

• x = 118
• x = 108
• x = 28
• x = 58

• 25
• 35
• 45
• 55

• 10
• 17
• 80
• 90

Q1. What is the sum of 20 and 23?

• 1) 23

• A) 20

• 2) 44

• C) 16

What is the Value of x?

Mathematical Equivalence

ON

How are these angles related?

• Vertrical

• Complementary 

• Adjacent

• Supplementary 

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o