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The Question & Answer (Q&A) Knowledge Managenet

The Internet has many places to ask questions about anything imaginable and find past answers on almost everything.

Table of Contents

- What is the difference between GIS and Google Maps?
- What coordinate reference system does Google Maps use?
- How many sides does a Chiliagon have?
- What is the edge of a 3D shape?
- How many sides does a 3D triangle have?
- What is a 3D triangle with 5 sides called?
- What are the 5 polyhedrons?
- What 3D shape has 6 sides?
- What is a 3D triangle with a square base called?
- Is a cone a 3D shape?
- What is a 3D prism?
- Is a circle a 2D shape?
- How many 2D shapes are there?
- What is the difference between 2D and 3D shapes?

The focal difference between GeoTel’s advanced GIS map and Google Maps is the sheer power and capability of the GeoTel platform. Google Maps are distinctly an online service mapping provider that proves to have extreme accessibility and data that portrays analysis in qualitative ways.

World Geodetic System WGS84 standard

1,000 sides

An edge is where two faces meet. For example a cube has 12 edges, a cylinder has two and a sphere has none.

3

In geometry, a pentahedron (plural: pentahedra) is a polyhedron with five faces or sides. There are no face-transitive polyhedra with five sides and there are two distinct topological types.

The five Platonic solids (regular polyhedra) are the tetrahedron, cube, octahedron, icosahedron, and dodecahedron. The regular polyhedra are three dimensional shapes that maintain a certain level of equality; that is, congruent faces, equal length edges, and equal measure angles.

hexahedron

When unspecified, a pyramid is usually assumed to be a regular square pyramid, like the physical pyramid structures. A triangle-based pyramid is more often called a tetrahedron.

A cone is a three-dimensional geometric shape that tapers smoothly from a flat base (frequently, though not necessarily, circular) to a point called the apex or vertex. If the enclosed points are included in the base, the cone is a solid object; otherwise it is a two-dimensional object in three-dimensional space.

A prism is a 3D shape which has a constant cross section – both ends of the solid are the same shape and anywhere you cut parallel to these ends will give you the same shape. For example, in the prism below, the cross section is a hexagon.

2D shapes include circle, triangle, square, rectangle.

2D shapes have only 2 dimensions and are flat e.g. square, rectangle, triangle, circle, pentagon, hexagon, heptagon, octagon, nonagon, decagon, parallelogram, rhombus, kite, quadrilateral, trapezium. 3D objects have three dimensions. The flat surfaces (faces) of many 3D objects are made up of 2D shapes e.g.

‘2D’, or ‘two-dimensional’, simply means that the shape is flat. A ‘3D’ (‘three-dimensional’) shape is a solid shape. It has three dimensions, that is, length, width and depth.