“Sometimes the most amazing discoveries are hiding in plain sight.” How an Australian mathematician discovered that Babylonians used trigonometry 100 years before Pythagoras was born, thanks to a clay tablet sitting in an Istanbul museum
For more than a century, a Babylonian clay tablet has been sitting in the Istanbul Archaeological Museum in Turkey. It is now identified as the earliest known example of applied geometry, which means the mathematical branch of trigonometry was known 100 before Pythagoras claimed to invent it.
The tablet is also now the only known example of a cadastral document from the OB period, 1900 to 1600 BCE. Pythagoras, a Greek philosopher was thought to be the founder of the theorem that for a right angle triangle , the square of the hypotenuse is equal to the sum of the squares of the other two sides.
Dr Daniel Mansfield’s research shows the 3700-year-old artifact from the Old Babylonian period contains the earliest example of complex geometry in the world. In 2017, Mansfield and his colleague from UNSW, Norman Wildberg identified another Babylonian tablet that contained the world’s oldest and most accurate trigonometric table. The researchers thought the tablet, known asMansfield’s recent discovery also helped to understand that Si.
It means, Babylonians had or started to develop the understanding of private property and boundaries at the time.
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