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29 Proof Without Words
Author:
Linda Bollman
,
Steve Phelps
Drag the points. Drag the slider. What do you notice? What does this prove? How does this prove?
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GeoGebra
Based on
http://45.media.tumblr.com/9e608e03763922f7620fa7b21487f640/tumblr_nywxpgk6631uk13a5o1_500.gif
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Untitled
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