Missing angles

What is the value of x?

• 15

• 16

• 18

• 19

If m∠1 = 30°, then m∠3 = 

• 30°
• 60°
• 150°
• undetermined

What is the measure of the missing angle?

• 39°
• 129°
• 119°
• 129°

Find the m∠1

• 67
• 113
• 180
• 23

What is the value of x in the figure below?

• 18°

• 22°

• 45°

• 30°

• 20°

• 30°

• 40°

• 60°

The angle relationship shown is -

• complementary angles
• supplementary angles
• vertical angles
• angle bisector

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 are vertical angles?

• Angles that are adjacent to each other
• Angles that add up to 180°
• Angles that are opposite of each other when lines intersect
• Angles that add up to 90°

Which equation can be used to determine the value of x?

• 2x + 10 = 46

• 2x + 10 + 46 = 180

• 2x + 10 + 46 = 90

• not here