How round is your circle?
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|Bryant, John; and Sangwin, Chris|
|These photos and QuickTime movies accompany the book How Round Is Your Circle? Where Engineering and Mathematics Meet. See, in particular, the illustrations of how to drill a square hole. Sections include Falling apart (the Pythagorean Theorem, Dudeney's dissection, and Duijvestijn's dissection); Approximately straight lines; How to draw a straight line (Peaucellier's linkage, Inverse in a circle, Hart's linkage and A-Frame, Sarrus's linkage); Chebyshev's paradoxical mechanism; Solids of constant width; Applications of non-roundness; Balancing dominoes; Amazing polyhedra; Rolling discs; Measuring area; and How round is your circle?|
|Levels:||High School (9-12), College|
|Resource Types:||Graphics, Video, Problems/Puzzles|
|Math Topics:||Higher-Dimensional Geometry, Euclidean Plane Geometry, Engineering|
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