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Go figure: Stonehenge was built using Pythagoras' theorem of geometry 2,000 years BEFORE the Greek philosopher was born

Daily Mail logo Daily Mail 21-06-2018 Stewart Paterson

File photo dated 07/09/16 of Stonehenge in Wiltshire © PA File photo dated 07/09/16 of Stonehenge in Wiltshire Stonehenge was built using Pythagoras’ theorem – two millennia before the Greek philosopher was born, say experts.

The builders of Britain’s ancient stone circles are said to have used complex geometric rules, according to a new book.

a group of people in a field with Stonehenge in the background: The builders of Britain’s ancient stone circles are said to have used complex geometric rules, according to a new book © Provided by Associated Newspapers Limited The builders of Britain’s ancient stone circles are said to have used complex geometric rules, according to a new book

The authors of Megalith say that one of Stonehenge’s earliest incarnations, dating from 2750BC, includes a stone rectangle which forms a perfect Pythagorean triangle when split in half.

a group of people holding wine glasses: The book was published to coincide with today’s summer solstice. Pictured: Modern-day druids ushering in the solstice yesterday © Provided by Associated Newspapers Limited The book was published to coincide with today’s summer solstice. Pictured: Modern-day druids ushering in the solstice yesterday

Pythagoras’ theorem states that the sum of the areas of squares with sides the same length as the two smaller sides of a triangle will add up to the area of a square based on the triangle’s largest side – although it’s unlikely the ancient Britons would have realised that.

a group of people in a field: The authors of Megalith say that one of Stonehenge’s earliest incarnations, dating from 2750BC, includes a stone rectangle which forms a perfect Pythagorean triangle when split in half © Provided by Associated Newspapers Limited The authors of Megalith say that one of Stonehenge’s earliest incarnations, dating from 2750BC, includes a stone rectangle which forms a perfect Pythagorean triangle when split in half

John Matineau, who edited Megalith, told the Daily Telegraph: ‘People think of our ancestors as rough cavemen but … they were applying Pythagorean geometry over 2000 years before Pythagoras was born.’ 

Slideshow: Extraordinary ways the world celebrates the summer solstice (Love Exploring)

A midsummer night's dream: On June 21 the northern hemisphere will experience its longest hours of daylight. The occasion is marked by a host of festivities both on the day itself and immediately before and after. From pagan gatherings at Stonehenge, England to street parties in the sun in California, we take a look at how midsummer is celebrated in different countries. Extraordinary ways the world celebrates the summer solstice

The book was published to coincide with today’s summer solstice. 

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