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Topic: Dynamic Geometry Sketches updated, June 2012
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Michael de Villiers

Posts: 281
Registered: 12/3/04
Dynamic Geometry Sketches updated, June 2012
Posted: Jun 13, 2012 2:06 PM
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My 'Dynamic Geometry Sketches' site available at: has been updated with the following:

1) Generalizations of Euclid's cyclic quadrilateral theorem. (New)

2) Generalizations of a theorem of Sylvester. (New)

3) Nickalls' conic theorem. (New)

4) Semi-regular Angle-gons and Side-gons (Updated)

5) Linear Equations Solver (New)

and the 'Student Explorations' section with:

1) Generalizing perpendicular bisectors, angle bisectors, medians and altitudes to 3D (New).

2) Maximum area of quadrilateral problem - relates to a SAMO, Round 1, 2012 (New)

3) Two parabola theorems (New)

4) What number comes next? (New)

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