Angle Relationships, Complementary, Supplementary, Triangle Sum Theorem

Find the value of x.

• 14

• 60

• 35

• 180

What is the value of "a"?

• 75°

• 65°

• 55°

• 85°

What is the value of "x"?

• 20

• 30

• 25

• 15

If x = 20, what are the measures of these angles?

• 40° and 140°

• 35° and 145°

• 70° and 110°

• 60° and 120°

Congruent by ASA

Congruent by SAS

Congruent by SSS

Not Necessarily Congruent

• Congruent by ASA

• Congruent by SAS

• Congruent by SSS

• Not Necessarily Congruent

What is a supplementary angle?

• Two angles who sum is 180.

• Two angles who sum is 90

• An angle that measures 180

• Two angles that are opposite of each other.

What is a complementary angle?

• Two angles who sum is 180.

• Two angles who sum is 190.

• Two angles who sum is 90.

• An angle with 90 degrees.

How should you label the angle in the image

• AED

• EDA

• BEC

• CEB

• DEA

Find the missing angle.

• 47

• 37

• 57

• 137

Find the missing angle.

• 74

• 66

• 35

• 16