Online Geometry: Decagon, Theorems and Problems
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Euclid's
Elements, Book XIII, Proposition 10.
Pentagon, Hexagon, and Decagon. One page
visual illustration. |
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Geometry Problem 1313.
Regular Decagon, Pentadecagon, Equilateral Triangle, Congruence. |
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Geometric Art: Decagon and
Decagram. |
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Geometric Art: Decagon and Pentagon. |
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iPad Apps: Spangled!.
Regular Decagon Art. |
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Polygon Classification. Interactive Mind Map.
Decagon. |
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Polygons. |
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Geometry Problem 225. Viviani's Theorem Extension, Regular Polygon,
Apothem, Distance. |
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Euclid's Elements
Book I, 23 Definitions. One-page visual illustration.
Euclid's Elements Book.
Index |
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Geometric Art: Dodecagon and Pentagon, Mobile Apps. |
