Items related to Geometry of Four Dimensions
Synopsis
Illustrated Including Numerous Figures - Chapters Include: The Foundations Of Four Dimensional Geometry - Points And Lines - Triangles - Planes - Convex Polygons - Tetrahedrons - Hyperplanes - Convex Pyramids And Pentahedroids - Space Of Four Dimensions - Hyperpyramids And Hypercones - Perpendicularity And Simple Angles - Angles Of Two Planes And Angles Of Higher Order - Symmetry, Order, And Motion - Euclidian Geometry - Figures With Parallel Elements - Measurement Of Volume And Hypervolume In Hyperspace - The Regular Polyhedroids - The Polyhedroid Formula - Technical Terms - Etc., Etc.
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