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Author:: John Ulbright

GeoGebra Applet

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Normal Vectors
DYME-A 5.10
reciproque
DYME-A 5.11
Vertex form

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Paralleogram
Areas of Polygons
wmhstudents
Talcoff_rectangle
opengl frac :　截斷函數

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Incircle or Inscribed Circle
Cosine
Difference and Slope
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Secant Line or Secant

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