"funny question"

there is some question get into my mined which I think something funny but in need an answer or explaination and I know more broad minded is the house here in steemit world so steemians can you please share to me your knowledge ..guys the question is "why the boxing ring is squsre shape if the ring is roundquestion
all your answer idea sugestion are all welcome and I will appreciate it thank you steemians. ( note: question is original it only gets into my curious mined)![IMG_20180421_065316.jpg]e answered() I have some more question if this one was answered.