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Author:
Paul Jorgens
Varignon's Quadrilateral
Plot the points A(-5,-3), B( 3,-7), C( 7, 1) and D(-1, 3) and draw the quadrilateral.
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Euclidian vs Spherical geometry
Funny Face-Andreea(MD)
Flower with parabolas-Arina(MD)
Simultaneous construction of four ellipses
AJO sequences and graphs
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Example 2
Proof Without Words
p303-15
SUM OF INTERIOR ANGLES OF A POLYGON
Quadrilaterals and Trapezoids
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Median Line
Right Triangles
Correlation
Scalene Triangles
Geometry