The dynamics of the circle

Describes a geometric circle and defines and illustrates such terms as radius, congruent circles, chord, diameter, major and minor arcs, semicircles, and central angle. Shows the relationship between a central angle and its arc; presents methods for proving arcs equal in degrees and length; and describes the relationships of a diameter, a chord, and its intersected arcs.
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Related films

Sources

  1. 16mm Filmography (legacy record) — title, year, creator, length, format, color, sound, genre, description, catalog record