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1Angles of Polygons
http://www.mathsisfun.com/geometry/polygons.html
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2Polygon Definitions
http://www.learner.org/courses/learningmath/geometry/keyterms.html
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3More Polygon Definitions
http://www.aaamath.com/geo.html
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4Math-O: Polygons
http://www.aplusmath.com/cgi-bin/games/geomatho
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5Polygon Shapes 2D and 3D
http://nlvm.usu.edu/en/nav/frames_asid_128_g_2_t_3.html?open=instructions
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6Polygon Perimeters
SELECT CANCEL when you are prompted to choose whether or not to navigate away from this page.
http://www.mathgoodies.com/lessons/vol1/perimeter.html
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7Polygon Playground
SELECT CANCEL when you are prompted to choose whether or not to navigate away from this page.
http://www.mathcats.com/explore/polygons.html