Shape 

Copyright David & Cynthia Thomas, 2009

 

Area--Directed Activity: Polygon Area

                                                                

Focus

Polygon Area

Technologies

The Geometers Sketchpad and the model 5_PolygonArea.gsp 

Background

Figure 5.16: Polygon Area

Tasks

·        Extend the coordinate geometry methods developed in the directed activity Triangles and Trapezoids to find the area of the polygon ABCDE. 

·        Check your findings using The Geometers Sketchpad and the model 5_PolygonArea.gsp.