**TI92P*mainykRellipse2Z~GSP4MThis sketch was created with a newer version of Sketchpad and cannot be read.This sketch was created with a newer version of Sketchpad. Some information may be lost. The sketch will be opened as untitled."jNM @F@T @c@h   @e@    7wQ"a@`3PP   $ "@@@(4` ?    -  .  /   -       > >" V @`3PSpin cDanny's Ellipsetec X_QDrag or animate P. Why does the vertex of the right triangle describe an ellipse?_= $@Danny Vizcaino Monte Vista HS@M#(GSP