Difference between revisions of "Golden Ratio"

Revision as of 20:53, March 27, 2007

The golden ratio is a number, commonly known as phi ( $\varphi$ ), defined as $\varphi ^{2}=\varphi +1$ . The value of phi is

{\frac {1+{\sqrt {5}}}{2}}

Phi is an irrational number. In decimal form it is often written

1.618...

It has been observed that the golden ratio is evident in the arrangement of branches along the stems of plants, and of veins in leaves.

Revision as of 02:35, March 26, 2007 (view source) JamesK (talk \| contribs) (Added math tags, not sure about it, modify/revert if you want) ← Older edit		Revision as of 20:53, March 27, 2007 (view source) Ga ohoyt (talk \| contribs) (sp) Newer edit →
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	:1.618...		:1.618...

−	It has been observed that the golden ~~ration~~ is evident in the arrangement of branches along the stems of plants, and of veins in leaves.	+	It has been observed that the golden ratio is evident in the arrangement of branches along the stems of plants, and of veins in leaves.