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Filling the void: Can you find the area?
(click lower right to view)
Free Quadrilaterals and polygons worksheets from kutasoftware.com
Introductory and advanced topics of perimeter, area, and volume from khanacademy.org
math comic #211 - "Video Games" (10-16-15)- Playing tetris with your mathematician friend...
Math Comic #88 "Area Code" (5-31-13) click lower right to view
Weekly Math Webcomic Archives