**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

**Advanced Geometry for High Schools: Synthetic and Analytical**

by

**A.H. McDougall**-

**Copp, Clark**

Contents: Theorems of Menelaus and Ceva; The Nine-Point Circle; Simpson's Line; Areas op Rectangles; Radical Axis; Medial Section; Miscellaneous Theorems; Similar and Similarly Situated Polygons; Harmonic Ranges and Pencils; etc.

(

**7002**views)

**Geometry: From Ancient to Modern**

by

**Wong Yan Loi**-

**National University of Singapore**

Contents: Pythagoras' theorem; Pythagorean triples; commensurable and incommensurable quantities; Eudoxus' theory of proportion; method of exhaustion; continued fractions; the surface area of a sphere; the method; regular polyhedra; symmetries; etc.

(

**6854**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.

(

**11316**views)

**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.

(

**13210**views)