 Other polygons include the quadrilateral (4 sides), pentagon (5 sides ) , hexagon ( 6 sides ) , heptagon ( 7 sides ) , octagon ( 8 sides ) , nonagon ( 9 sides ) , decagon ( 10 sides ), and dodecagon ( 12 sides).  A Manual of Carpentry and Joinery - Strona 35autor: J. W. Riley - 1905 - Liczba stron: 500Pełny widok - Informacje o książce
 | Lyn Baker - 2004 - Liczba stron: 174
...angles. A polygon is a many-sided plane figure. Some polygons have special names. These include the pentagon (5 sides), hexagon (6 sides), heptagon (7 sides), octagon (8 sides), decagon (10 sides) and dodecagon (12 sides). A regular polygon has all its sides equal and all its... | |
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