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Mathematical Cuneiform Tablet, 19th century BCE

Mathematical Cuneiform TabletCuneiform tablet dated to the 19th century BC, found among the large archive recovered from Tell Harmal. It is a school exercise in surveying based on a rightangled ‘Pythagorean’ triangle. It depends for its solution on the Euclidean principle that ‘In a right-angled triangle, if a perpendicular is drawn from the right angle to the hypotenuse, the triangles on either side are similar to the whole triangle and to one another’.

Ht 10 cm.

Iraq Museum.

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