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26 Cards in this Set
- Front
- Back
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Semiregular Polyhedron
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A polyhedron with several different regular polygonal regions for faces but with the same arrangement of polygons at each vertex.
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Pyramid
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A polyhedron formed by using a polygon for the base and a point not in the plane of the base that is connected with line segments to each vertex of the base.
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Acute Triangle
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A triangle with all angles less than 90 degrees.
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Isosceles Trapezoid
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A trapezoid with one pair of congruent sides.
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Rhombus
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A quadrilateral with four sides that are congruent.
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Polyhedron
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The union of polygonal regions, any two of which have at most a side in common.
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Right triangle
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A triangle with one 90 degree angle.
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Regular Polygon/
Regular n-gon |
A polygon where all sides are congruent and all angles are congruent.
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Isosceles Triangle
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A triangle with at least two congruent sides.
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Right Prism
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A prism where the lateral faces are rectangles and the dihedral angle is formed bya base and a lateral face is a right angle.
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Scalene Triangle
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A triangle that has no congruent sides or angles.
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Trapezoid
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A quadrilateral with exactly one pair of parallel sides.
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Polygon
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A simple closed "curve" made up of line segments (Polygon means many angles).
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Kite
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A quadrilateral with two nonoverlapping pairs of adjacent sides that are the same length.
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Equilateral Triangle
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A triangle with all sides and all angles congruent.
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Parallelogram
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A quadrilateral with two pairs of parallel sides.
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Obtuse Triangle
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A triangle with one angle greater than 90 degrees.
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Square
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A quadrilateral with four sides the same length and four right angles.
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Rectangle
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A quadrilateral with four right angles.
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Triangle
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A closed figure composed of exactly three line segments
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Simple Closed Curve
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A curve that can be traced with the same starting and stopping points and without crossing or retracing any part of the curve.
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Regular Polygon/
Regular n-gon |
A polygon where all sides are congruent and all angles are congruent.
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Quadrilateral
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A closed figure composed of four line segments.
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Right Regular Pyramid
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A pyramid whose bases are regular polygons and whose lateral faces are isosceles triangles.
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Regular Polyhedron
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A polyhedron in which all the faces are identical regular polygonal regions and all dihedral angles have the same measure.
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Prism
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A polyhedron with two opposite faces that are identical polygons.
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