regular star polygon

regular non-convex polygon

en-US/ˈɹɛɡjəlɚ ˈstɑɹ ˈpɑliˌɡɑn/
en-GB/ˈɹɛɡjuːlə stɑːɹ ˈpɒlɪɡən/

الفئات:

concave polygonstar-shaped polygonregular polygon