Angles

Define Obtuse

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Define Acute

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Define Right Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Define Straight

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Right, acute, or obtuse?

• Acute

• Right

• Obtuse

Right, acute, or obtuse?

• Right

• Acute

• Obtuse

What is the measurement of a right angle?

• 70

• 80

• 90

• 180

Which could be the measurement of an acute angle?

• 0

• 35

• 180

• 90

What could be the measurement of an obtuse angle?

• 90

• 20

• 130

• 180

What is the measurement of a straight angle?

• 100

• 180

• 360

• 240