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Tree and shadow making similar triangles

Author:Bruce Bauer

Topic:Similar Triangles, Triangles

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Rovnoběžnost rovin
Congruent Figures
Writing and Graphing Proportional Relationships (k>0)
Squares Question
Parabolas, Lines and Nomograms

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y=x^3+x^2-20x
Revised Complex Number Line
Absolute Max and Min
Untitled
Find that Angle! (GoGeometry Action 144)

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Multiplication
Congruence
Symmetry
Circumcircle or Circumscribed Circle
Scatter Plot

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