How To Solve For The Area - Viral Math Problem

Thanks to Reio in Romania for emailing me this fun problem! What is the area? This puzzle was shared with the tagline "you should be able to solve this."

Solution to 5th grade Chinese challenge problem
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Reference
Math problem from anime Steins;Gate
https://math.stackexchange.com/questions/798367/area-of-a-part-of-a-square

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Видео How To Solve For The Area - Viral Math Problem канала MindYourDecisions