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Rectilinear Figures
Author:
Arthur Lee
Rectilinear figures that have equal corresponding angles but not proportional corresponding sides.
GeoGebra
see
http://aleph0.clarku.edu/~djoyce/java/elements/bookVI/defVI1.html
New Resources
alg2_05_05_01_applet_exp_flvs
探究由平行線和截線所成的角
Periodic Functions
Droste effect
bearing HK
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Means
Bar Chart or Bar Graph
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