# What is geometry?

## What Does geometry Mean

The geometry is a part of mathematics which is responsible for the properties and actions of a figure in a plane or in space . To represent different aspects of reality, geometry appeals to the so - called formal or axiomatic systems (composed of symbols that are joined respecting rules and that form chains, which can also be linked to each other) and notions such as lines, curves and points, between other

Geometry is a scientific discipline with a great history.
A science of great antiquity
It must be made clear that geometry is one of the oldest sciences that exist today because its origins have already been established in what was Ancient Egypt. Thus, thanks to the work of important figures such as Herodotus or Euclides, we have known that since time immemorial it was highly developed as it was fundamental for the study of areas, volumes and lengths.

Likewise, we cannot overlook the fact that one of the historical figures who have contributed the most to the development of this scientific area is the French mathematician, philosopher and physicist René Descartes. And it is that this raised the development of geometry in a way in which the different figures could be represented through equations.
Geometry and mathematics
This discipline becomes one of the main keys of what is the subject of Mathematics in the different educational centers and at the different educational levels. Thus, both in Primary and Secondary, for example, lessons are developed that revolve around that.
Specifically, among the units that deal with this subject are all those that allow the student in question to learn all the necessary knowledge about the elements of the plane, polygons, triangles, translations and turns, similarity or areas and volumes of geometric bodies.
Geometric bodies are three-dimensional figures.
Thus, for example, when developing this last lesson, students will work on what is the prism, the cylinder, the tetrahedron, the sphere, the cube or the trunk of the pyramid.
Geometry starts from axioms (the propositions that are in charge of relating the concepts); These axioms give rise to theories that, by means of instruments of this discipline such as the protractor or the compass , can be verified or refuted.

The different currents
Among the different currents of geometry, algorithmic geometry stands out , which uses algebra and its calculations to solve problems related to extension.
The descriptive geometry , meanwhile, is dedicated to solving the problems of space by operations carried out in a plane which figures are represented solid.
The analytic geometry is responsible for studying the figures from a coordinate system and own mathematical analysis methodologies.
Finally, we can group three branches of geometry with different characteristics and scopes. The projective geometry handles projections figures on a plane; the geometry of space is centered on figures whose points do not all belong to the same plane; while plane geometry considers the figures that have all their points in a plane.

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