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26 Cards in this Set
 Front
 Back
Semiregular Polyhedron

A polyhedron with several different regular polygonal regions for faces but with the same arrangement of polygons at each vertex.


Pyramid

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.


Acute Triangle

A triangle with all angles less than 90 degrees.


Isosceles Trapezoid

A trapezoid with one pair of congruent sides.


Rhombus

A quadrilateral with four sides that are congruent.


Polyhedron

The union of polygonal regions, any two of which have at most a side in common.


Right triangle

A triangle with one 90 degree angle.


Regular Polygon/
Regular ngon 
A polygon where all sides are congruent and all angles are congruent.


Isosceles Triangle

A triangle with at least two congruent sides.


Right Prism

A prism where the lateral faces are rectangles and the dihedral angle is formed bya base and a lateral face is a right angle.


Scalene Triangle

A triangle that has no congruent sides or angles.


Trapezoid

A quadrilateral with exactly one pair of parallel sides.


Polygon

A simple closed "curve" made up of line segments (Polygon means many angles).


Kite

A quadrilateral with two nonoverlapping pairs of adjacent sides that are the same length.


Equilateral Triangle

A triangle with all sides and all angles congruent.


Parallelogram

A quadrilateral with two pairs of parallel sides.


Obtuse Triangle

A triangle with one angle greater than 90 degrees.


Square

A quadrilateral with four sides the same length and four right angles.


Rectangle

A quadrilateral with four right angles.


Triangle

A closed figure composed of exactly three line segments


Simple Closed Curve

A curve that can be traced with the same starting and stopping points and without crossing or retracing any part of the curve.


Regular Polygon/
Regular ngon 
A polygon where all sides are congruent and all angles are congruent.


Quadrilateral

A closed figure composed of four line segments.


Right Regular Pyramid

A pyramid whose bases are regular polygons and whose lateral faces are isosceles triangles.


Regular Polyhedron

A polyhedron in which all the faces are identical regular polygonal regions and all dihedral angles have the same measure.


Prism

A polyhedron with two opposite faces that are identical polygons.
