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Polygon

a closed plane figure with straight sides

Examples: rectangles, squares, triangles, etc.

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

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