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Dynamic Geometry Sketches Updated, May 2011
Posted:
May 18, 2011 10:15 AM


My Dynamic Geometry Sketches website at http://math.kennesaw.edu/~mdevilli/JavaGSPLinks.htm has been updated with the following (new & revised) sketches: 1) Cyclic quadrilateral rectangle result (new) 2) A (novel) generalization of the theorem of Pythagoras (new) 3) Hierarchical quadrilateral tree (new) 4) Octagon centroids forming parallelooctagon (updated) 5) Similarity of parabola (updated with additional sketch) and the Student Explorations section with: 1) Bicentric quadrilateral property (new) 2) Contruct a parallel hexagon with GeoNext (updated) 3) Miscellaneous transformations (of figures and graphs) (updated) 4) Pi in other geometries (new) 5) Quadrilateral Inequality involving Perimeter & Diagonals (updated with additions) 6) Rectangle and Rombus angle trisection (new)
My homepage at http://mysite.mweb.co.za/residents/profmd/homepage4.html has also been updated with the following new items: 1) A primary mathematics worksheet (1992) on "Order of operations" 2) mathematical/mathematics education quote 3) mathematics/science cartoon 4) May 2011 Math eNewsletter with information about math books, conferences, websites, points to ponder/quotes, humour, and a little teaser problem.
Hope some find some of these interesting or useful.



