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Topic: Equi-angled cyclic and equilateral circumscribed polygons and more
Replies: 1   Last Post: Jul 26, 2011 2:29 PM

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Michael de Villiers

Posts: 281
Registered: 12/3/04
Equi-angled cyclic and equilateral circumscribed polygons and more
Posted: Jul 26, 2011 2:22 PM
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My homepage at http://mysite.mweb.co.za/residents/profmd/homepage4.html 
has been updated, among others, with several new geometry items:
1)      "Equi-angled cyclic and equilateral circumscribed polygons", PDF (2011) - a generalization of rectangles and rhombi
2)      2010 "Reflections on Van Hiele" paper now available in Portuguese & Croatian
3) July 2011 Math e-Newsletter with information about new books, websites, conferences, etc.
3)      mathematical/mathematics education quote
4)      mathematics/science cartoon.
My dynamic geometry sketches Link at http://math.kennesaw.edu/~mdevilli/JavaGSPLinks.htm 
has been updated with the following (new & revised) sketches:
    1) Fermat-Torricelli point generalizations (updated)
    2) Semi-regular angle-gons and side-gons (new) - a generalization of rectangles and rhombi
    3) Some parallelo-hexagon areas (updated)
    4) Some unproved conjectures (updated)
and the Student Explorations section  with:
    1) Collinear conjecture (new)
    2) Gielis Super-shape formula (new)
    3) Napoleon variation problem (new)
    4) Paul Yiu's problem and a generalization (new)

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