Tool:
A Plethora of Polyhedra 
Screenshot:

Go to: 
http://www.uff.br/cdme/pdp/pdphtml/pdpen.html
(opens a new window)

Description: 
This is a free JAVA applet that helps users to study spatial geometry in a dynamic and interactive way. Using it, the user can rotate, zoom out, zoom in and translate a plethora of polyhedra. Moreover, the program is able to compute topological and geometrical duals of each polyhedron. Geometrical operations include unfolding, plane sections, truncation and stellation. 
Technology Type: 
Java Applet  
Author: 
Humberto Jose Bortolossi 
Language: 
English  
Cost: 
Does not require payment for use 

Average Rating: 
[4]

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Courses: 
Math 2 
Geometry in space 
 Math 3 
Geometry in space 
 Math 4 
Geometry in space 
 Math 5 
Geometry in space 
 Math 6 
Geometry in space 
 Math 7 
Polyhedra, Platonic solids, Archemedian solids, Prisms, Euler's formula, 2D nets > 3D figures 
 Geometry 
Pyramids, Prisms, Surface area, Volume, Regular polyhedra, 2D pictures of 3D solids, Transformations and symmetry 

Teacher Review (Based on classroom experience)
Reviewer: Jethro, Feb 21 2010 10:35:42:060PM 
What did students learn? Students learned the relationship between 3D objects and the 2D nets that create them. Specifically, as an intro to nets, they learned about the Platonic solids as an enrichment before learning about general nets. 
Recommended for: Math 7: Geometry in the plane, Geometry in space Geometry: Perpendicular and parallel lines, Polygons, Perimeter, area, and volume 
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NM 
Comment:  Very professional & FREE! Great resource on polyhedron  program can easily be used by novice as well as an individual with a deeper backgeound. 
