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On 9/16/25, celebrate a date of mathematical beauty

Pi Day (3/14) often comes with sweet treats; Square Root Day (4/4/16 or 5/5/25, for example) has a certain numerical rhyme.
Asianet Newsable on MSN

India Untold: How India Accurately Calculated The Height of Mt Everest Using Simple Geometry

Just using simple geometric ideas, Indian mathematicians estimated the height of Mount Everest which was its official height ...