The Sum of the Interior Angles of a Polygon

Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this lesson. 

4th - 5th Math 23 Views 112 Downloads
CCSS: Adaptable
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Lesson Plans
Instructional Strategies
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2 hrs

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