Jennifer Wilson recently shared some neat activities on what she calls Hopewell triangles. I made this sketch to illustrate these triangles in general. See: Hopewell - Right Triangle [url]http://easingthehurrysyndrome.wordpress.com/2013/06/18/hopewell-geometry-right-triangle/[/url] Hopewell - Similarity [url]http://easingthehurrysyndrome.wordpress.com/2013/06/18/hopewell-geometry-similarity/[/url] The problem sheet (pdf) [url]http://www.map.mathshell.org/materials/download.php?fileid=499[/url]
More GeoGebra at [url]mathhombre.blogspot.com[/url]