Supplement your geometry work with a straight-to-the-point video. A two-minute video reviews how to find the missing angle measure of a pair of supplementary angles given one of the measures. It works through a few examples of the procedure.

Concepts

angles, supplementary angles, addition angles

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Additional Tags

math

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Instructional Ideas

• Use the worksheet as part of a homework assignment
  

Classroom Considerations

• Scholars should be familiar with the additive nature of angles
  
• Although the resource is about supplementary angles, it does not use this phrase

Pros

• Includes some textbook exercises for additional reference
  

Cons

• Lacks use of an equation, despite using variables in the diagrams
  

Common Core

7.G.B.5