###
Polygon

a closed plane figure with straight sides

Examples: rectangles, squares, triangles, etc.

###
Regular polygon

a polygon in which the sides are all the same length (equilateral) and are symmetrically placed around a common center (equiangular)

Examples: equilateral triangle, squares

###
Polyhedron

a three-dimensional figure whose surfaces are polygons

###
Prism

a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms

###
Right prism

a prism whose lateral faces are rectangles

###
Pyramid

a polyhedron with a polygon base and triangular sides that meet at a single point, or the apex

###
Cylinder

A solid bounded by two congruent and parallel circular bases, one directly above the other

###
Face

a flat surface on a three-dimensional shape

###
Edge

the line formed by 2 faces

###
Vertex

the point where two or more edges meet

###
A net of a solid

A figure which can be folded to form the surface of a solid

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