bn:03643367n
Noun Concept
Categories: Sextic curves, Articles with short description, Roulettes
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astroid  Astroids  cubocycloid  paracycle  tetracuspid
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In mathematics, an astroid is a particular type of roulette curve: a hypocycloid with four cusps. Wikipedia
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EN
In mathematics, an astroid is a particular type of roulette curve: a hypocycloid with four cusps. Wikipedia
A hypocycloid with four cusps. Wiktionary
Hypocycloid with four cusps. Wiktionary (translation)
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