The Story of Pi
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http://www.projectmathematics.com/storypi.htm  


Project MATHEMATICS!, California Institute of Technology  
A videotapeandworkbook module that explores a basic topic in high school mathematics in ways that cannot be done at the chalkboard or in a textbook. Although pi is the ratio of circumference to diameter of a circle, it appears in many formulas that have nothing to do with circles. Animated sequences dissect a circular disk of radius r and transform it to a rectangle of base pi*r and altitude r. Animation shows how Archimedes estimated pi using perimeters of approximating polygons.  


Levels:  High School (912) 
Languages:  English 
Resource Types:  Multimedia, Video, Lesson Plans and Activities, Textbooks 
Math Topics:  Pi, HigherDimensional Geometry, Triangles and Other Polygons 
Math Ed Topics:  Audiovisual/Multimedia, Curriculum/Materials Development 
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