regular dodecagon

convex regular polygon with 12 sides

en-US/ˈɹɛɡjəlɚ doʊˈdɛkəˌɡɑn/
en-GB/ˈɹɛɡjuːlə dəʊdɛkəɡən/

ক্যাটাগরি:

dodecagonconstructible polygon