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Have you ever heard of Pythagorean Theorem Day? The day squared plus the month squared is equal to the last two digits of the year squared. The last one was 15th August 2017 because 15² + 8² = 17². The next Pythagorean Theorem Day occurs before the end of this year (2020). Can you figure out when it will be?
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For many more mathematical puzzles visit the Transum Puzzles page.
