Classify and Measure Angles

What type of angle is shown?

• acute

• obtuse

• right

• straight

What type of angle is shown?

• acute

• obtuse

• right

• straight

What is an obtuse angle?

• An angle that measures more than 90 degrees, but less than degrees 180 degrees.

• An angle that measures less than 90 degrees.

• An angle that measures 90 degrees.

• An angle that measures 180 degrees. 

What is a right angle?

• An a angle that measures more than 90 degrees.

• An angle that measures less than 90 degrees.

• An angle that measures exactly 90 degrees.

• An angle that measures 180 degrees. 

What is the measure of the following angle?  

• 21 degrees.

• 34 degrees.

• 70 degrees.

• 172 degrees. 

What is the measure of the following angle?  

• 56 degrees.

• 180 degrees.

• 142 degrees.

• 97 degrees. 

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

Angles that are exactly 90 degrees are called _____ ______.

• tight angles

• acute angles

• obtuse angles

• right angles

^{_{What is the measure of the following angle?}} 

• 120 degrees.

• 171 degrees.

• 60 degres.

• 10 degrees.

What is the measure of the following angle?  

• 21 degrees.

• 34 degrees.

• 70 degrees.

• 172 degrees.