Definition of decagon
:a plane polygon of 10 angles and 10 sides
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From the M-W Editors
Illustration of decagon
Origin and Etymology of decagon
New Latin decagonum, from Greek dekagōnon, from deka- deca- + -gōnon -gon
DECAGON Defined for Kids
decagon
play
noun
deca·gon
\
ˈde-kə-ˌgän
\
Definition of decagon for Students
:a closed figure having ten angles and ten sides
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