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 Related Terms
 Surface Area:  The total area of the 2-dimensional surfaces that make up a 3-dimensional object.
Area of a Polygon: A measurement of the region enclosed by the sides of a polygon. The area is always expressed in squared units.
Area of a Circle: The measurement of the region enclosed by a circle. The area of a circle is always expressed in squared units.
Face: One of the polygons that makes up a polyhedron.
Polyhedron: A 3-dimensional figure that has polygons as faces.
Sphere: The set of all points in space that are equidistant from a fixed point, called the center.
Capacity: The greatest volume that a container can hold.
Volume: The amount of space occupied by an object.