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  1. Shrinking Polygons (1986 Video)

    Producer
    Michael Peet
    Subject
    Mathematics
    Distribution
    Off-air recording licence Sale, Videocassette. Standard formats. col. 24 min., 1999 sale: £145.00 (+VAT +p&p)

    Examines three problems concerning shrinking polygons, shown with animations: 1) taking a unit circle and inscribing an equilateral triangle inside it and then inscribing a circle inside the triangle and...

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  2. Klein’s Unification of Geometry (1979 Video)

    Producer
    Jack Koumi
    Subject
    Mathematics
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 25 min.

    Computer animation and a 3-D model of a perspectivity demonstrate that Euclidean, non-Euclidean and projective geometries are unified, and also distinguished by Klein’s view of each one as a space plus a...

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  3. Ideas of Space (1978 Video)

    Director
    Jack Koumi
    Subject
    Mathematics
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 24 min.

    Introduces the study of geometry via group theory, introducing this approach on three-dimensional Euclidean geometry.

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  4. In Perspective (1978 Video)

    Producer
    David Saunders
    Subject
    Mathematics
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 24 min.

    Demonstrates some of the effects of perspective changes on plane geometrical figures, and shows how these are related to the ideas of projective geometry.

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  5. Non-Euclidean Geometry, A 2 (1978 Video)

    Producer
    David Saunders
    Subject
    Mathematics
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 25 min.

    Looks in detail at on of the non-Euclidean geometries where there is no longer a unique line through a given point parallel to a given line. The example given is the Poincare disc, where lines are defines as...

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