# Golden Ratio

Golden ratio ; The Definition of Beauty “Geometry has two great treasures: one is the Theorem of Pythagoras; the other, the division of a line into extreme and mean ratio. The first we may compare to a measure of gold; the second we may name a precious jewel. ”  Johannes Kepler, 1571-1630 The golden ratio is present in everyday Life. The golden proportion is the ratio of the shorter length to the longer length which equals the ratio of the longer length to the sum of both lengths. It can be expressed algebraicay like : This ratio has always been considered most pleasing to the eye.

It was named the golden ratio by the Greeks. In the world of mathematics, the numeric value is called “phi”, named for the Greek sculptor Phidias. The Golden Ratio is also known as the golden section, golden mean or golden rectangle. The Golden Rectangle has the property that when a square is removed a smaller rectangle of the same shape remains, a smaller square can be removed and so on, resulting in a spiral pattern. It is a unique and important shape in mathematics which also appears in nature, music, and is often used in art and architecture. Our human eye „sees“ the golden rectangle as a beautiful geometric form.

Leonardo Fibonacci discovered the unusual properties of the numeric series, that’s how it was named. It is not proven that Fibonacci even noticed the connection between the Golden Ratio meaning and Phi. The Renaissance used the Golden Mean and Phi in their sculptures and paintings to achieve vast amounts balance and beauty. Throughout the centuries, artists have used the golden ratio in their own creations. An example is “post” by Picasso. The Golden Ratio also appears in the Parthenon in Athens. It was built about 440 B. C. ; it forms a perfect Golden Rectangle. Another example of the Golden Ratio is shown in Egyption Pyramids.

Ancient Egyptions used the Golden Ratio to build their pyramids. The pyramids show one of the first examples of using the golden ratio in architecture. The Golden Ratio was used to build these wonders of the world back in around 2500 B. C. In India, the Golden Mean was used in the construction of the Taj Mahal, which was completed in 1648. After writing this essay an interesting result has occurred. Now I see the examples of the Golden Ratio everywhere. It is like my eyes were opened whole time but didnt take any attention about those detais. And I’m glad because it changed.

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