Home Page

Show Answers

Classifying Angles

------ Note: The Information above this point will not be sent to your printer --------

Label each angle as acute, right, obtuse, straight, or reflex. (the first one is done for you)


straight angle






acute angle



obtuse angle



obtuse angle


reflex angle



right angle


straight angle


Why must an angle’s measurement always be 360° or less?

It is part of a full circle, which measures 360°.


What is the name used to classify a 90° angle?

Right angle

------ Note: The Information below this point will not be sent to your printer --------

From a Series of Angles Worksheets - By

Related Resources

The various resources listed below are aligned to the same standard, (4MD05) taken from the CCSM (Common Core Standards For Mathematics) as the Geometry Worksheet shown above.

Recognize angles as geometric shapes that are formed wherever two rays share a common endpoint, and understand concepts of angle measurement:

Examples/ Guidance

Lines and Angles


Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:

Geometric measurement: understand concepts of angle and measure angles


Math Help - Homepage      |   About |   Privacy  |   Site Map