Shape
Copyright David & Cynthia Thomas, 2009
Perimeter & Area of Polygons--Directed Activity: Perimeter
vs. Area of Pentagons
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Focus |
Perimeter vs. Area of Pentagons |
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Technologies |
The Geometers Sketchpad and model 3_MaxPentagonArea.gsp |
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Background |
Figure 3.19 shows a Geometers Sketchpad model of a pentagon. The relative lengths of the sides may be changed by dragging the vertices.
Figure 3.19: Maximum Area for a Pentagon with Fixed Perimeter
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Tasks |
Experiment with this model and answer the question, For any given perimeter, what shape pentagon has the greatest area? |
