Sunday Times (Sri Lanka)

Stonehenge was built using Pythagoras' theorem of geometry

- By Victoria Allen

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.

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.

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...

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.’

The book was published to coincide with the summer solstice.

 ??  ?? Stonehenge on summer solstice
Stonehenge on summer solstice

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