(n.) A plane figure having ten sides and ten angles; any figure having ten angles. A regular decagon is one that has all its sides and angles equal.
DECAGON
Meaning of DECAGON in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) A plane figure having ten sides and ten angles; any figure having ten angles. A regular decagon is one that has all its sides and angles equal.
Webster's English dictionary. Английский словарь Webster. 2012