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Handout
Math Open Reference

Math Open Reference: Polygons

For Students 9th - 10th
Get the definition and properties of a polygon. Then explore such topics as: 1) types of polygon 2) area 3) Perimeter 4) angles associated with polygons and 5) names of polygons.
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Unit Plan
AAA Math

Aaa Math: Types of Polygons Based on Number of Sides

For Students 2nd - 5th Standards
Students can practice classifying polygons in a series of self-check exercises and timed learning games.
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Activity
Texas Instruments

Texas Instruments: Angles in a Polygon

For Teachers 9th - 10th
Students will expore the interior and exterior angle of 3 polygons and develop the formula to calculate the sum of degrees without the measurement of the angles being taken.
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Unit Plan
Shmoop University

Shmoop: Basic Geometry: Angles in a Polygon

For Students 9th - 10th Standards
The geometry resource explores angles in a polygon. Notes, examples, and practice problems are included.