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16 Cards in this Set
 Front
 Back
POLYGON

A closed figure with three or more straight sides


VERTEX

A point where sides meet.


VERTICES

More than one vertex


TRIANGLE

A polygon with 3 sides and 3 vertices


QUADRILATERAL

A poylgon with 4 sides and 4 vertices


PENTAGON

A polygon with 5 sides and 5 vertices


HEXAGON

A polygon with 6 sides and 6 vertices


CONGRUENT FIGURES

Figures that are the same size and the same shape


SYMMETRY

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


OPEN FIGURE

Has an opening in the figure, not all sides touch


CLOSED FIGURE

Has no opening all sides touch


RIGHT ANGLE

An angle that forms a straight corner


ACUTE ANGLE

An angle that is smaller than a right angle


OBTUSE ANGLE

An angle that is larger than a right angle


FACE

A flat surface of a solid figure


EDGE

The line segment formed where two faces of a solid figure meet
