Identify the relationship:

• vertical

• supplementary

Identify the relationship:

• vertical

• supplementary

Identify the relationship:

• vertical

• supplementary (angles add up to 180^o)

• complementary (angles add up to 90^o)

Find the measure of angle b.

Hint: Identify the angle relationship.

• 25

• 115

• 65

What is the value of x?

• 60
• 26
• 14
• 10

Determine the missing angle.

• 47
• 57
• 53
• 133

Determine the missing angle.

• 145
• 55
• 35
• 45

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°
• 90°
• 180°
• 360°

What is the value of x in the figure below?

• 18°

• 22°

• 45°

• 30°

• 20°

• 30°

• 40°

• 60°