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Find the area of the shaded figure

Express result to the accuracy of 3 decimal.

Correct answers: 51

The first user who solved this task is Djordje Timotijevic.

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A Very Special Cow

Q. Have you heard of the dyslexic cow who attained enlightenment?
A. It kept on repeating OOOOMMM!

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David Hartley

Died 28 Aug 1757 at age 52 (born 8 Aug 1705). English physician and philosopher credited with the first formulation of the psychological system known as associationism. Attempting to explain how thought processes occur, Hartley's associationism, with later modifications, has endured as an integral part of modern psychological theory.Image: Detail of an engraving. eb

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