Explore the formula for the area of a rectangle by tessellating its space using unit squares.
中文版:[url]16657 長方形與正方形的面積[/url]
[b]GeoGebra Institute of Hong Kong[/b]
http://www.sites.google.com/site/hkgeogebra
You can either download the .ggb file alone or the complete webpage for students with tasks.
June 25, 2015 -
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GeoGebra Institute of Hong Kong