Fun Math riddle #34

At first glance, it appears to be tricky, right? However, to get the proper answer to this riddle, you will need to be sharp. (A key for you: change the direction you look the picture!)

The hidden number is 87

Believe it or not, this “math” question actually requires no math whatsoever. If you flip the image upside down, you’ll see that what you’re dealing with is a simple number sequence.


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