Find the length of red arc AB
Find the length of red arc AB (r1=1, r2=2). Express result to the accuracy of 3 decimal.Correct answers: 43
The first user who solved this task is Roxana zavari.
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Florence NightingaleDied 13 Aug 1910 at age 90 (born 12 May 1820). English nurse and statistician, “The Lady With The Lamp,” who established modern nursing practice. Her contributions to public health included developing methods of applying and displaying statistics to demonstrate the need for improvements. Her mission began from experience during the Crimean War as a nurse at British hospital in Turkey. There she witnessed appalling conditions endured by the sick: overcrowding, poor sanitation, lack of basic supplies, even malnutrition. With determination and influence, by the war's end in Jul 1856, she improved the comfort of the patients, increased efficiency and reduced the death toll. Throughout her life, she continued to advocate reform in the military medical system, supported by her compelling, novel graphical display of statistics and advice on hospital planning and organization.« |