**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

**A Tour of Triangle Geometry**

by

**Paul Yiu**-

**Florida Atlantic University**

We outline some interesting results with illustrations made by dynamic software. We center around the notions of reflection and isogonal conjugation, and introduce a number of interesting triangle centers, lines, conics, and a few cubic curves.

(

**3958**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.

(

**10464**views)

**Famous Problems of Elementary Geometry**

by

**Felix Klein**-

**Ginn and Co.**

Professor Pelix Klein presented in this book a discussion of the three famous geometric problems of antiquity -- the duplication of the cube, the trisection of an angle, and the quadrature of the circle, as viewed in the light of modern research.

(

**3199**views)

**Isometrica: A Geometrical Introduction to Planar Crystallographic Groups**

by

**George Baloglou**

Planar crystallographic groups are one of the very first mathematical creations of humankind. This book's goal is the gradual unveiling of the structural and the mathematical that hides behind the visual and the artistic.

(

**10961**views)