This film, partially designed by computers, shows the relationships between right triangles and circles where the radius of the circle is the hypotenuse of the triangle.
Phoenix Learning Group, 2349 Chaffee Dr., St. Louis, MO 63146, Phone: (314)569-0211, Toll-free: 800-221-1274, Fax: (314)569-2834, URL: http://www.phoenixlearninggroup.com
Available on VHS
Running time 12 minutes.
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