Types of Angles Worksheets

Printable “Geometry” Worksheets:
Types of Angles
Lines of Symmetry
Classify Triangles

Types of Angles Worksheets

Angles are formed when two rays meet at a common point. Angles can be classified based on their relationship to a right angle (90 degrees).
Here are some of the different types of angles:

1. Acute Angle:
   An acute angle is smaller than a right angle.
   Its measure is greater than 0 degrees and less than 90 degrees.
   
2. Right Angle:
   A right angle measures exactly 90 degrees.
   
3. Obtuse Angle:
   An obtuse angle is larger than a right angle.
   Its measure is greater than 90 degrees and less than 180 degrees.
   
4. Straight Angle:
   A straight angle measures exactly 180 degrees.
   It is formed by a straight line, equivalent to two right angles.
   
5. Reflex Angle:
   A reflex angle is larger than a straight angle.
   Its measure is greater than 180 degrees and less than 360 degrees.
   
6. Full angles measure exactly 360 degrees. They form a complete circle.

Have a look at this video if you need help on how to make and use a right angle template.

• Making and using a paper Right Angle

Have a look at this video if you need help on how to classify different types of angles.

• Classify different types of angles

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More Types of Angles Worksheets

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(Answers on the second page.)
Types of Angles Worksheet #1
Types of Angles Worksheet #2
Types of Angles Worksheet #3

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