Meaning of the word decagon in English

What does decagon mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

decagon

US /ˈdɛk.ə.ɡɑːn/
UK /ˈdɛk.ə.ɡən/
"decagon" picture

Noun

a plane figure with ten straight sides and ten angles

Example:
The architect designed a building in the shape of a decagon.
Each interior angle of a regular decagon measures 144 degrees.