2.1 Angle Measure in the Poincaré Half-plane.
I began to look at the court differently – as a mathematical equation, almost. The angles were everything.
—Exit book to another website.John McEnroe (2002)

Drag the red points to explore angle measure in the Poincaré Half-plane.
To reset to the original settings type the letter "R" on the keyboard.
   Sorry, this page requires a Java-compatible web browser.

This page uses Exit book to another website.JavaSketchpad, a World-Wide-Web component of Exit book to another website.The Geometer's Sketchpad. Copyright © 1990-2001 by KCP Technologies, Inc. Licensed only for non-commercial use.

2.1 Analytic ModelsBack to Analytic Models for Plane Geometry.

Ch. 2 Euclidean/NonEuclidean TOC  Table of Contents

  Timothy Peil  Mathematics Dept.  MSU Moorhead

© Copyright 2005, 2006 - Timothy Peil