Shape 

Copyright David & Cynthia Thomas, 2009

 

Naming, Describing, and Constructing Polygons--Directed Activity: Constructing a Parallelogram

                                        

Focus

Two methods for constructing a parallelogram.

Technologies

 The Geometers Sketchpad and model 3_Parallelogram.gsp.

Background

Figure 3.3 suggests two methods for constructing a parallelogram using paper-folding and The Geometers Sketchpad.

 

 

Using paper-folding 

 

Using The Geometers Sketchpad

 

Figure 3.3: Constructing a Parallelogram

Tasks

-        Fold a sheet of notebook paper to create a parallelogram. 

-        Construct a parallelogram using The Geometers Sketchpad.