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1. Circle either the Right Angle or the Not a Right Angle for the angles below


Right Angle  Not a Right Angle  Right Angle  Not a Right Angle  
Right Angle  Not a Right Angle  Right Angle  Not a Right Angle  
2. Write the number of right angles in the shapes below


4 right angles  1 right angles  
2 right angles  0 right angles  
2 right angles  0 right angles 
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The various resources listed below are aligned to the same standard, (4G02) taken from the CCSM (Common Core Standards For Mathematics) as the Geometry Worksheet shown above.
Classify twodimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles.
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:
Draw and identify lines and angles, and classify shapes by properties of their lines and angles