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16 Cards in this Set
- Front
- Back
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POLYGON
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A closed figure with three or more straight sides
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VERTEX
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A point where sides meet.
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VERTICES
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More than one vertex
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TRIANGLE
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A polygon with 3 sides and 3 vertices
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QUADRILATERAL
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A poylgon with 4 sides and 4 vertices
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PENTAGON
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A polygon with 5 sides and 5 vertices
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HEXAGON
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A polygon with 6 sides and 6 vertices
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CONGRUENT FIGURES
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Figures that are the same size and the same shape
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SYMMETRY
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A line of symmerty is present if the figure can be folded in half and the two sides match, are congruent, and reflect each other
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OPEN FIGURE
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Has an opening in the figure, not all sides touch
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CLOSED FIGURE
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Has no opening all sides touch
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RIGHT ANGLE
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An angle that forms a straight corner
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ACUTE ANGLE
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An angle that is smaller than a right angle
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OBTUSE ANGLE
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An angle that is larger than a right angle
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FACE
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A flat surface of a solid figure
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EDGE
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The line segment formed where two faces of a solid figure meet
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