Thursday, 15 March 2012


Solid Geometry

Solid Geometry is the geometry of three-dimensional space, the kind of space we live in ...

Three Dimensions

It is called three-dimensional, or 3Dbecause there are three dimensions:width, depth and height.


Properties

Solids have properties (special things about them), such as:
  • Volume
  • Surface area

Polyhedra and Non-Polyhedra

There are two main types of solids, "Polyhedra", and "Non-Polyhedra":
Polyhedra :
(they must have flat faces)
tetrahedronhexahedronoctahedrondodecahedornicosahedronPlatonic Solids
triangular prismsquare prismpentagonal prismPrisms
triangular pyramidsquare pyramidpentagonal pyramidPyramids
Non-Polyhedra:
(if any surface is not flat)
sphereSpheretorusTorus
cylinderCylinderconeCone
DONE BY,
AMEERA LIYANA

No comments:

Post a Comment