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11. 3-D Geometry
3-D Geometry
Term | Definition |
---|---|
Volume | The number of cubic units needed to fill a solid figure |
Vertex | The point of intersection of two sides of a polygon. |
Prism | A polyhedron with two congruent and parallel polygon-shaped faces. |
Net | A plane figure pattern which, when folded, makes a solid. |
Cylinder | A three-dimensional figure that has two circular bases, which are parallel and congruent. |
Sphere | A three-dimensional figure such that every point is the same distance form the center. |
Cone | A three-dimensional figure that has one circular base. The points on this circle are joined to one point outside the base. |
Edge | The line segment where two faces of a polyhedron meet. |
Face | A flat surface of a polyhedron. |
Cubic Unit | A unit measuring volume, consisting of a cube with edges one unit long. |