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The Alchemy Key.pdf - Veritas File System

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4. Draw a concentric circle of one unit radius from the centre of the<br />

original circle. This circle has an area of π.<br />

5. <strong>The</strong> area of the new circle is<br />

exactly 20% larger than the<br />

area of the square.<br />

Leonardo de Vinci understood this<br />

relationship by the mathematical<br />

formula:<br />

π = (6/5) Φ 2<br />

<strong>The</strong> constant (6/5), which is of course 1.2, is known as the Ratio of Osiris.<br />

<strong>The</strong> error in estimating π from Φ and the Ratio of Osiris is only 0.002%.<br />

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