English
Etymology
From pentadeca- + -gon.
Pronunciation
- IPA(key): /ˌpɛntəˈdɛkəɡən/
Noun
pentadecagon (plural pentadecagons)
- (geometry) A polygon with fifteen sides.
2003, Steven Atiyah, Essentials of Geometry, Trafford, published 2003, page 357: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.
Synonyms
Translations
15-sided polygon
- Belarusian: пятнаццацікутнік m (pjatnaccacikutnik)
- Bulgarian: петнадесетоъгълник m (petnadesetoǎgǎlnik)
- Catalan: pentadecàgon m
- Chinese:
- Mandarin: 十五邊形 / 十五边形 (zh) (shíwǔ biānxíng)
- Czech: patnáctiúhelník (cs) m inan
- Dutch: vijftienhoek (nl) m
- East Frisian Low Saxon: fiiftainkâant m
- Esperanto: dekkvinlatero
- Finnish: viisitoistakulmio
- French: pentadécagone (fr) m, pentédécagone (fr) m
- Galician: pentadecágono (gl) m
- Georgian: თხუთმეტკუთხედი (txutmeṭḳutxedi)
- German: Fünfzehneck (de) n
- Greek: δεκαπεντάγωνο n (dekapentágono)
- Hungarian: tizenötszög (hu)
- Italian: pentadecagono (it) m
- Japanese: 十五角形 (jūrokukakukei)
- Korean: 십오각형 (sibogakhyeong)
- Macedonian: петнаесетаголник m (petnaesetagolnik)
- North Frisian: Fiftainhuk m or f (Sylt)
- Polish: piętnastokąt (pl) m
- Portuguese: pentadecágono (pt) m
- Romanian: pentadecagon (ro) n
- Russian: пятнадцатиугольник (ru) m (pjatnadcatiugolʹnik)
- Saterland Frisian: Füüftienkaant n
- Serbo-Croatian:
- Cyrillic: петнаестоугао m
- Roman: petnaestougao m
- Slovene: petnajstkotnik m
- Spanish: pentadecágono (es) m
- Swedish: pentadekagon m
- Thai: รูปสิบห้าเหลี่ยม m
- Turkish: ondörtgen m
- Ukrainian: п'ятнадцятикутник (pʺjatnadcjatykutnyk)
- West Frisian: fyftjinhoek c, fyftsjinhoek c
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Romanian
Etymology
Borrowed from French pentadécagone.
Noun
pentadecagon n (plural pentadecagoane)
- pentadecagon
Declension
Declension of pentadecagon
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singular
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plural
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indefinite
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definite
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indefinite
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definite
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| nominative-accusative
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pentadecagon
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pentadecagonul
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pentadecagoane
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pentadecagoanele
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| genitive-dative
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pentadecagon
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pentadecagonului
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pentadecagoane
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pentadecagoanelor
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| vocative
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pentadecagonule
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pentadecagoanelor
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