Note on measurements: Because computer screens vary in size and
resolution, it's impossible to give measurements in centimeters or inches.
These measurements are in pixels, the tiny dots that form the images on your
screen.
This is a prototype of JavaSketchpad, a World-Wide-Web component of The Geometer's Sketchpad. Copyright ©1990-1998 by Key Curriculum Press, Inc. All rights reserved. Portions of this work were funded by the National Science Foundation (awards DMI 9561674 & 9623018).