unit one revision

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

Right, acute, or obtuse?

• Acute
• Right
• Obtuse

What angle pair is pictured?

• Alternate Interior Angles
• Supplementary Angles
• Vertical Angles
• Corresponding Angles

Find the missing angle.  Find x.

• 15^o
• 50^o
• 130^o
• 165^o

Find the missing angle.

• 60
• 70
• 50
• 140

What type of angle is shown here?

• Acute

• Obtuse

• Reflex

• Right

What type of angles are these?

• same side interior
• same side exterior
• straight
• none of these

What type of angles are these?

• same side interior
• alternate interior
• alternate exterior
• none of these