# Taxicab Geometry: An Adventure in Non-Euclidean Geometry

Courier Corporation, 1975 - Mathematics - 88 pages

This entertaining, stimulating textbook offers anyone familiar with Euclidean geometry ? undergraduate math students, advanced high school students, and puzzle fans of any age ? an opportunity to explore taxicab geometry, a simple, non-Euclidean system that helps put Euclidean geometry in sharper perspective.
In taxicab geometry, the shortest distance between two points is not a straight line. Distance is not measured as the crow flies, but as a taxicab travels the "grid" of the city street, from block to block, vertically and horizontally, until the destination is reached. Because of this non-Euclidean method of measuring distance, some familiar geometric figures are transmitted: for example, circles become squares.
However, taxicab geometry has important practical applications. As Professor Krause points out, "While Euclidean geometry appears to be a good model of the 'natural' world, taxicab geometry is a better model of the artificial urban world that man has built."
As a result, the book is replete with practical applications of this non-Euclidean system to urban geometry and urban planning ? from deciding the optimum location for a factory or a phone booth, to determining the most efficient routes for a mass transit system.
The underlying emphasis throughout this unique, challenging textbook is on how mathematicians think, and how they apply an apparently theoretical system to the solution of real-world problems.

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Wonderful Book. Check it out. Great fun! Filled with very interesting exercise's.

### Contents

 WHAT IS TAXICAB GEOMETRY? 1 SOME APPLICATIONS 11 SOME GEOMETRIC FIGURES 21 DISTANCE FROM A POINT TO A LINE 31
 TRIANGLES 45 FURTHER APPLICATIONS TO URBAN GEOGRAPHY 51 SOME DIRECTIONS FOR FURTHER RESEARCH 63 Copyright