Special Types of Angles

Identify the type of angle shown....

• Acute

• Obtuse

• Reflex

• Right Angle

Identify all the ACUTE angles...

• 37^o

• 135^o

• 23^o

• 4^o

• 175^o

Identify all the OBTUSE angles...

• 87^o

• 245^o

• 303^o

• 164^o

• 95^o

Identify all the REFLEX angles...

• 187^o

• 112^o

• 254^o

• 351^o

• 45^o

Angles that are exactly 90 degrees are called _____ ______.

• tight angles
• acute angles
• obtuse angles
• right angles

• right
• acute
• obtuse
• straight

Which type of angle is pictured?

• Acute
• Right
• Obtuse
• Straight

Name this angle.

• acute
• right
• obtuse
• none of the above

Define Obtuse Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Define Acute Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180