25 terms

Face

Each flat surface

Edge

The segment that is the intersection of two faces

Vertex of a three dimensional figure

The point that is the intersection of three or more faces

Prism

Formed by two parallel congruent polygonal faces called "bases" and connected by faces that are parallelograms

(picture is a triangular prism)

(picture is a triangular prism)

Cylinder

Formed by two parallel congruent circular bases and a curved surface that connects the bases.

Pyramid

Formed by a polygonal base and triangular faces that meet at a common vertex

Cone

Formed by a circular base and a curved surface that connects the base to a vertex.

Cube

A prism with six square faces.

Triangular prism

Triangular pyramid

Rectangular prism

Rectangular pyramid

Pentagonal prism

Pentagonal pyramid

Hexagonal prism

Hexagonal pyramid

Cross section

The intersection of a three dimensional figure and a plane

Polyhedron

solid formed by polygons that enclose a single region of space

Oblique

when a solid (such as a cylinder) is NOT a right figure

Right Solid

When the axis of a cylinder is perpendicular to both bases.

examples of spheres

basketballs, globes, oranges

examples of cylinders

cans, roll of paper

example of a prism

two congruent bases with rectangular lateral faces

lateral faces

the NON-base faces of a prism or pyramid

example of a hemisphere