Homer's Shadow

A 6ft tall Homer is walking away from a 18ft tall lampost at a speed of 8ft/s. How fast is the tip of his shadow moving along the ground when he is 100ft from the lampost?

This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com

Jamie Mulholland
Department of Mathematics
Simon Fraser University
Created with GeoGebra