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History
Hendecagon
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In geometry, a hendecagon or 11-gon is an eleven-sided polygon.
Hendecagon, copper engraving by 1698 by Anton Ernst Burkhard of Birckenstein
Hendecagon, copper engraving by 1698 by Anton Ernst Burkhard of Birckenstein
Polygon
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In geometry, a polygon is a plane figure made up of line segments connected to form a closed polygonal chain.
Historical image of polygons (1699)
Historical image of polygons (1699)
The Giant's Causeway, in Northern Ireland
The Giant's Causeway, in Northern Ireland