MEANING PLAN GEOMETRY (2D) vs SOLID GEOMETRY (3D)

PLAN GEOMETRY.

TWO FORM OF GEOMETRY:

1.      PLANE GEOMETRY: deals with geometry of flat surface of two dimensions.  Also known as 2-D drawing.

Example here are rectangular, line, triangle, polygons.

N.B: 2-D means  two dimension.

2. SOLID GEOMETRY: this deals with three dimensions. Also known as 3-D drawing. (the meaning of 3-D means three dimension) Example boxes and cylinder

,