This page uses JavaSketchpad, a World-Wide-Web component of The Geometer's Sketchpad. Copyright © 1990-2001 by KCP Technologies, Inc. Licensed only for non-commercial use.
Java may take a minute to load, so please be patient. Drag point S(Sheila) until point S and F (Fred) are together. Here is where they are when they hear the train whistle. Now drag point S to the right, until the train meets Fred. Next drag Sheila to the right until the train meets her. Just hit Reload or Refresh to restore the original sketch.
Click here to go back to the Train Troubles problem.