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The Fibonacci spiral is considered a logarithmic spiral, which are found everywhere in nature. Jakob Bernouli, a mathematician from a great family of brilliant people, called the logarithmic spiral spira mirabilis, or "the Miraculous Spiral," so called because the size increases but its shape is unaltered with each successive curve. This kind of spiral shows up in shells, in hurricanes, in flowers and even in the human body!

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The Fibonacci spiral is considered a logarithmic spiral, which are found everywhere in nature. Jakob Bernouli, a mathematician from a great family of brilliant people, called the logarithmic spiral spira mirabilis, or "the Miraculous Spiral," so called because the size increases but its shape is unaltered with each successive curve. This kind of spiral shows up in shells, in hurricanes, in flowers... (cabinet-of-wonders.blogspot.com )

from Owlcation

How to Find the Area and Arc Length of a Logarithmic Spiral

A logarithmic spiral, also called an equiangular spiral, is one whose distance from the center increases exponentially with every turn. The most convenient way to describe a logarithmic spiral mathematically is with a polar coordinate equation ...

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from Owlcation

How to Find the Area and Arc Length of a Logarithmic Spiral

A logarithmic spiral, also called an equiangular spiral, is one whose distance from the center increases exponentially with every turn. The most convenient way to describe a logarithmic spiral mathematically is with a polar coordinate equation ...

Logarithmic Spiral and Fibonacci Numbers