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Free geometry worksheet to help students classify angles as acute, right, or obtuse using given measures and by measuring angles.
Free geometry worksheet to help students classify angles with given measures as acute, right, or obtuse; to classify angles by appearance; and to classify angles based on calculations of angle measures for adjacent angles.
​Assignment 2.10

​Classifying Angles

 
Objective
Classify angles as:
  • right
  • acute
  • obtuse
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Assignment 2.9

Assignment 2.11

About Geometry Worksheet Assignment 2.10:         This assignment can be downloaded for free.

 

Assignment 2.10 is an introduction to classification of angles by their measures.

 

Prerequisite Skills: Identify measures of angles (Assignment 2.8).  Calculate measures of adjacent angles (Assignment 2.9).

 

Definitions:  An acute angle is an angle that measures less than 90.

                           A right angle is an angle that measures 90.

                           An obtuse angle is an angle that measures more than 90.

 

 

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