Properties+and+shapes


 * Properties and shapes **

the shapes are classified in two groups: 2 dimensional, and 3 dimensions.

**- Two dimensions **: are refers at shapes that have composite for width and length. The principal shapes of two dimensions are: rectangle, square, triangle and circle.

**- Tree dimensions: ** are refers at shapes that have composite for width, length and depth. The principal shapes of two dimensions are: cube, pyramid, sphere and cylinder.

the shapes are very important for architecture and urban planning, because the architects for any design they use a circle, square, cube, etc; and also important for urban planning, the urban planners do not consciously organized in specific ways (most of the time) but to birds-eye view the result are shapes.