@freemo An exact answer is impossible, whether intuitively or topologically. You didn't show us the whole shirt...

@b6hydra fair point. You can make the assumption there are no tricks here and both holes are through holes and there are no hidden holes.

Answer 

@freemo Ohhh. 7... Is there a word for when you get tricked by the absence of a trick? Or is it just stupidity 😅

Sign in to participate in the conversation
CleverLibre Social

CleverLibre Social is an inclusive social instance for open discussion, learning, and community.
All cultures welcome.
Hate speech and harassment strictly forbidden.