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Polyhedron: An application in solid geometry

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Visit this site: http://geocentral.net/polyhedron/
Author:Stelian Dumitrascu
Description: Software based on "deduction-free geometry," which allows the user to perform various actions upon solids as if holding these solids in your hands. It simulates a number of tools, such as the ruler, protractor, setsquare, compass, bisector, saw, and eraser. You can manage them through a common menu. Solids can be revolved, visualized in different manners, cut, stacked, and so forth. There are 250 problems built into the program, involving such things as frameworks, toys, beetles, ants, and other unusual stuff. The problems of degree 5-6 (there are 6 degrees of complexity) are difficult enough even for the best students. Program available in ZIP format from this site, or in ARJ, ZIP, or TAR and GZIP from the Univ. of Waterloo site.
Levels: High School (9-12), College
Languages: English
Resource Types: Problems/Puzzles, Topic Tools Miscellaneous
Math Topics: Polyhedra

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