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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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Please Advise

The School teacher sent home a note with her student.
The note reads, ”Your son is an obedient and bright student, but spends too much time talking to girls.”
Mother sends a note back the following day, ”Please advise a solution. Father has the same problem.'

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N. Howell Furman

Died 2 Aug 1965 at age 73 (born 22 Jun 1892).American analytical chemist whose analytical separation of uranium contributed to the development of the atomic bomb. He developed special techniques for preparing the bomb project materials, notably the sampling and analysis necessary for producing pure uranium metal. He also devised a new method of estimating traces of metals in various substances and assisted in developing an ether extraction process for the preparation of uranium oxide of the extreme purity required. His special methods also made possible greater utilization of tracer techniques with radioactive and stable isotopes.

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