Classify And Measure Angles Worksheet
Lesson 1
Right Angle: A right angle is angle measuring 90 degrees.
Acute Angle: An acute angle is angle measuring less than 90 degrees.
Obtuse Angle: An obtuse angle is angle measuring more than 90 degrees.
Problem:                   Classify the angle PQR
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Step 1: Analyze the figure carefully.
Step 2: We can see from the diagram that angle PQR is less than 90 degrees. PQR is an acute angle.
Step 3: The answer is: PQR is an acute angle.
 
Try two practice problems.    Do the following:  
 

 

A.  Draw an acute angle. 

 

 

 

 

 

B.  Draw an obtuse angle.

 

 

 

 

 

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