[audio:http://juliemcleod.org/mathoutloud/wp-content/uploads/2011/01/perpendicular.mp3]
Perpendicular
2011 -
01.29
A Podcasted Math Dictionary Created by Sixth Grade Students!
[audio:http://juliemcleod.org/mathoutloud/wp-content/uploads/2011/01/perpendicular.mp3]