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# Exterior Angles in Convex Polygons

## Angles on the outside of a polygon formed by extending a side.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Exterior Angles in Convex Polygons

This concept teaches students how to calculate exterior angles of regular polygons.
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## Exterior Angles in Convex Polygons: Pentagon

Exterior Angles in Convex Polygons Interactive
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## Exterior Angles in Convex Polygons Principles

This video gives more detail about the mathematical principles presented in Exterior Angles in Convex Polygons.
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## Exterior Angles in Convex Polygons Examples

This video shows how to work step-by-step through one or more of the examples in Exterior Angles in Convex Polygons.
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## Exterior Angles in Convex Polygons Discussion Questions

A list of student-submitted discussion questions for Exterior Angles in Convex Polygons.
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• Real World Application

## Exterior Angles Theorem

So...does our formula apply only to convex polygons? Or can we fix things up so that it applies to concave polygons also?
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