Euclid's Contributions to Geometry

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Geometry, which etymologically means the measurement of the earth in Greek, is a mathematical concept that deals with points, lines, shapes, and space. It has been developed from pre-historic era with ancient Greeks and Egyptians, and is still used in the area of art, architecture, engineering, geology, and astronomy. In ancient societies, while the ancient mathematicians or philosophers such as Plato, Pythagoras, Thales, and Aristotle expanded the different areas of math, philosophy, and science, Euclid, who is also known as ‘the Father of Geometry,’ has greatly influenced the study of geometry over 2000 years.
Euclid of Alexandria (Circa B.C. 300), although the historic information of his life is almost unknown, his contributions to the area of geometry are very significant. He is well-known for the books ‘Stoicheia’, ‘Optics’, and study of catoptrics, conics, geometrical distances and vectors. Especially, his thirteen books of the treatise ‘Elements (Stoicheia)’ has defined the most area of geometry and later divided the geometry as Euclidean and non-Euclidean. The book of Elements discusses plane geometry (books I-IV and VI), number theory (V and VII-X), and solid geometry (XI-XIII). Amongst all thirteen books of the treatise, the most well-known topics are the Euclidean algorithm and the five axioms, or postulates. Regarding the Euclid’s Elements, British mathematician Russell claims “Elements is the one of the greatest books ever written, and one of the most perfect monuments of the Greek intellect” (211) to show the remarkable intellectuality of the book.
The Euclidean algorithm is described in two books of the Elements, VII (7) and X (10), and it discusses the computing of the greatest common factor of two positive intege...

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...he king found it very difficult to learn geometry, he asked Euclid for an easier way to master geometry. According to Robinson, Euclid then answered, “there is no royal road to geometry,” meaning the math can be learned only when the learner voluntarily seeks knowledge and the fact that nothing can change or affect the true nature of mathematics (80). The answer of Euclid becomes popular, and later expands its meaning to “there is no royal road to learning.”
Contributions of Euclid for the various parts of mathematics are numerous, and his knowledge has spread from ancient societies of Egypt to Europe and China. A number of mathematicians or scientists were influenced for millennia. As Euclid is known as ‘the Father of Geometry,’ it is true that his works from pre-historic era has encouraged the human history of mathematics and will still contribute for the future.

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