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Area of Regular Polygons

Area of Regular Polygons

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Description:
  1.  

    Present how to decompose a regular polygon into triangles to determine area.

  2.  

    Demonstrate how to use right triangle trigonometry and special right triangles to find the area of triangles given the side lengths of the polygon.

  3.  

    Derive and apply the regular polygon area formula (Perimeter · apothem)

 

This packet should help a learner seeking to understand how to determine the area of a regular polygon.

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Tutorial

The Area of a Regular Polygon

This video presents the general formula for the area of a regular polygon.

Source: RobertOB on Guaranteach

Deriving the Formula for the Area of Regular Polygons

This video demonstrates how to derive the formula for the area of a regular polygon by decomposing the polygon into triangles.

Finding the Apothem

This video demonstrates how to use right triangle trigonometry and special right triangles to find the area of triangles given the side lengths of the polygon.