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. . . . . . POLYGONS. NOT POLYGONS. . . CONCAVE. CONVEX. TRY THE PEGBOARD AND RUBBER BAND TEST. NAMES OF POLYGONS. SIDES TRIANGLE 3 QUADRILATERAL 4PENTAGON 5HEXAGON 6HEPTAGON 7OCTAGON 8NONAGON 9DECAGON 10DODECAGON 12N
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