Angles and Pencil-Turning Mysteries
Type
Label
Angles and Pencil-Turning Mysteries
Language
eng
Characteristic
videorecording
Main title
Angles and Pencil-Turning Mysteries
Oclc number
985037218
resource.otherEventInformation
Originally produced by The Great Courses in 2014
Runtime
27
Summary
Using nothing more than an ordinary pencil, see how three angles in a triangle can add up to 180 degrees. Then compare how the experience of turning a pencil on a flat triangle differs from walking in a triangular shape on the surface of a sphere. With this exercise, Professor Tanton introduces you to the difference between flat and spherical geometry
Technique
live action
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Subject
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