In geometry, a limaçon or limacon (French pronunciation: [limasɔ̃]), also known as a limaçon of Pascal or Pascal's Snail, is defined as a roulette curve formed by the path of a point fixed to a circle when that circle rolls around the outside of a circle of equal radius. It can also be defined as the roulette formed when a circle rolls around a circle with half its radius so that the smaller circle is inside the larger circle.
In geometry, a limaçon or limacon (French pronunciation: [limasɔ̃]), also known as a limaçon of Pascal or Pascal's Snail, is defined as a roulette curve formed by the path of a point fixed to a circle when that circle rolls around the outside of a circle of equal radius. It can also be defined as the roulette formed when a circle rolls around a circle with half its radius so that the smaller circle is inside the larger circle.
Source: Wikipedia "Limaçon" · CC BY-SA 4.0
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