pendecagon
/ˌpɛntəˈdekəɡɒn/ or /ˌpɛntəˈdiːkəɡɒn/Definitions
1. noun
A polygon with 15 sides.
“The architect designed a pentadecagon for the new city hall.”
1. noun
A polygon with 15 sides.
“The architect designed a pentadecagon for the new city hall.”