**Geometry of Four Dimensions**

by Parker Manning Henry

**Publisher**: The MacMillan Company 1914**ISBN/ASIN**: 1933998652**Number of pages**: 378

**Description**:

Contents: 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;

Download or read it online for free here:

**Download link**

(multiple formats)

## Similar books

**The Foundations of Geometry**

by

**David Hilbert**-

**Project Gutenberg**

Axioms were uncovered in Euclid's geometry. These discoveries were organized into a more rigorous axiomatic system by David Hilbert in his Grundlagen der Geometrie (1899) which contained his definitive set of axioms for Euclidean geometry.

(

**16796**views)

**Euclid's 'Elements' Redux**

by

**Daniel Callahan**-

**starrhorse.com**

Euclid's 'Elements' Redux is an open textbook on mathematical logic and geometry for use in grades 7-12 and in undergraduate college courses on proof writing. It is a new edition of the most successful textbook of all time...

(

**10348**views)

**A Modern Course on Curves and Surfaces**

by

**Richard S. Palais**-

**virtualmathmuseum.org**

Contents: What is Geometry; Geometry of Inner-Product Spaces; Linear Maps and the Euclidean Group; Adjoints of Linear Maps and the Spectral Theorem; Differential Calculus on Inner-Product Spaces; Normed Spaces and Integration; ODE; and more.

(

**13234**views)

**Virtual Polyhedra: The Encyclopedia of Polyhedra**

by

**George W. Hart**

Polyhedra have an enormous aesthetic appeal and the subject is fun and easy. This is a collection of thousands of virtual reality polyhedra for you to explore. There are hundreds here which have never been illustrated in any previous publication.

(

**14748**views)