pentadecagon

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English[edit]

Pronunciation[edit]

  • IPA(key): /ˌpɛntəˈdɛkəɡən/

Noun[edit]

pentadecagon (plural pentadecagons)

  1. a polygon with fifteen sides
    • 2003: In ⊙ O, draw chord AB equal to r. Draw chord AC equal to Vt (which is the side of a regular decagon). CB is now one side of the regular pentadecagon. — Steven Atiyah, Essentials of Geometry (Trafford 2003, p. 357)

Synonyms[edit]