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Pi and e
This program defines numbers like pi and e as the limits of a monotonic sequence. Produced by the Open University. (25 minutes)(more details) |
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Symmetry Counts
This program introduces the idea of symmetry of three-dimensional objects, including a review of the symmetry of two-dimensional figures. Produced by the Open University. (25 minutes)(more details) |
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Looking at Equations
This program looks at how linear equations in three variables can be represented geometrically as planes. Produced by the Open University. (22 minutes)(more details) |
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Perspectives
This program explores how the use of perspective to draw diagrams in apparently different ways can help mathematicians to prove important results in plane geometry. Produced by the Open University. (25 minutes)(more details) |
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Shrinking Polygons
This program uses animation to introduce three problems involving shrinking polygons. The program also explores a model of the platonic solids, showing how these first prompted Kepler to consider the problems of shrinking polygons. Produced by the Op...(more details) |
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