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Hypocycloid vs Astroid - What's the difference?

hypocycloid | astroid |

In geometry terms the difference between hypocycloid and astroid

is that hypocycloid is the locus of a point on the circumference of a circle that rolls without slipping inside the circumference of another circle while astroid is a hypocycloid with four cusps.

hypocycloid

English

Noun

(wikipedia hypocycloid) (en noun)
  • (geometry) The locus of a point on the circumference of a circle that rolls without slipping inside the circumference of another circle.

    • See also

    * cycloid * epicycloid * roulette * Spirograph™ * astroid

    astroid

    English

    (wikipedia astroid)

    Noun

    (en noun)
  • (geometry) A hypocycloid with four cusps.

    • Related terms

    * asteroid * astronomy

    See also

    * asteroid

    External links

    * *