Angles Warm Up

an angle that forms a square corner

• right angle
• rectangle
• acute angle

Which one is NOT a way to name this angle?

• ∠ABC

• ∠CAB

• ∠1

• ∠A

What does this picture represent?

• Ray

• Line

• Segment

• Angle

What are these figures called?

• Points
• Lines
• Angles
• Planes

A line and a line segment have no differences.

• True
• False

Which of the following angles is less than 90 degrees?

• Acute angle

• Right angle

• Obtuse angle

• Reflex angle

What is the measure of a straight angle?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

If two angles add up to 90 degrees, they are called what?

• Supplementary angles

• Complementary angles

• Adjacent angles

• Vertical angles

What is the term for two angles whose measures add up to 180 degrees?

• Supplementary angles

• Complementary angles

• Adjacent angles

• Vertical angles

What type of angle measures exactly 180 degrees?

• Acute angle

• Right angle

• Straight angle

• Reflex angle