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# Golden Ratio

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by

## Ioanna Vinaccia

on 13 September 2012

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#### Transcript of Golden Ratio

By Ioanna Vinaccia 7S The Golden Ratio Golden Ratio
186.369 ÷115.182 =1.61804 When you take a cross section through a pyramid you get a triangle. Some people call it the Egyptian Triangle, Triangle of Price or Kepler triangle. This triangle is special because I have proven that it contains the golden ratio. The
ratio of the slant height s to half the base b is said to be the golden ratio. Dividing the slant height s by half the base gives us. Golden Ratio in Nature
To make the golden spiral you have to draw a rectangle then you cut that rectangle, cut it again then so on and you create another rectangle that can go on forever then you connect all the corners together and it creates a perfect and that is how you get the golden spiral. For example a pinecone, a sunflower, the Milky Way, spiral shaped shells, roses, head of a daisy, pineapples, a spiral leaf growth, I think the Egyptians new they had the golden ratio in their pyramids but they didn’t realise that it was important, interesting and many things in the area had the golden ration, the golden spiral and the golden rectangle because the were very smart people so maybe while they were building the pyramids I think they had a pretty good idea what was in it and how the golden ratio was in their pyramids. I think the Egyptians new they had the golden ratio in their pyramids but they didn’t realise that it was important, interesting and many things in the area had the golden ration, the golden spiral and the golden rectangle because the were very smart people so maybe while they were building the pyramids I think they had a pretty good idea what was in it and how the golden ratio was in their pyramids. My Opinion
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