Angles in Polygons

This Angles in Polygons assessment also includes:

Show your class that finding angle measures is a regular calculation with a resource that provides 12 problems dealing with the measures of angles in regular polygons. Pupils use formulas for the sum of measures of angles in a polygon to calculate measures of individual angles or the number of sides in a polygon.

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CCSS: Adaptable
Instructional Ideas

  • Use triangles to make polygons to show why the formula for the sum of the interior angles works
  • Lead a discussion on why it is important to know the polygon is regular when trying to find the measure of one angle
Classroom Considerations

  • Pupils should be able to solve multi-step linear equations

  • The video provides the formulas needed to work the problems
  • Solutions show the work needed for the calculations

  • None
Common Core