10 sides A decagon is any polygon with ten sides and ten angles
http://wiki.answers.com/Q/How_many_sides_does_a_decagon...
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12 sides A dodecagon is a polygon with exactly twelve sides
http://wiki.answers.com/Q/How_many_sides_does_a_dodecag...
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Well you got your answer,but i wanna top it off by saying that they should deffinetly teach kids latin these days,seriously it helps alot with words,the prefixes an sometimes suffixes.Since deca or sometimes "deka" is 10 in latin....
http://answers.yahoo.com/question/index?qid=20090126151...
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Shown here is a regular ten sided figure known as a regular decagon. ... How many sides has the regular decagon shown above? ... How many internal angles has it?
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www.ul.ie/~cahird/polyhedronmode/decagon.htm
www.ul.ie/~cahird/polyhedronmode/decagon.htm
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A geometrical figure with three or more sides is called a polygon or a polyhedron. Here are the names for some polygons ... More on Polygons How Many Sides from Infoplease: ... Related content from HighBeam Research on: Polygons: How Many Sides?
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www.infoplease.com/ipa/A0881983.html
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This activity was created by a Quia Web subscriber. Learn more about Quia ... Java Games: Matching, concentration, word search, and flashcards. ... Match the shape names to the number of sides they have.
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www.quia.com/jg/88585.html
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Shape ~ Regular Polygons; ... A polygon is a many sided shape. ... A regular polygon has sides of equal length and equal internal angles.
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www.learning-connections.co.uk/questof9/thebook/b_shap....
www.learning-connections.co.uk/questof9/thebook/b_shap.html
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A geometrical figure with three or more sides is called a polygon or a polyhedron. Here are the names for some polygons ... More on Polygons How Many Sides from Fact Monster: ... KnowledgeBox Math Games: Baseball Geometry - Baseball Geometry More about geometry: Finding Area Finding Perimeter and Circumference Triangles ..
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www.factmonster.com/ipka/A0881983.html
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; Nonagon; Decagon ... These shapes are known as regular polygons. A polygon is a many sided shape with straight sides. To be a regular polygon all the sides and angles must be the same...
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www.mathsisfun.com/shape.html
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