Find the length of red arc AB
[2605] 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. - #brainteasers #math - Correct Answers: 43 - The first user who solved this task is Roxana zavari
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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.
#brainteasers #math
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Haven't I seen your face before?

- "Haven't I seen your face before?" a judge demanded, looking down at the defendant.
- "You have, Your Honor," the man answered hopefully. "I gave your son violin lessons last winter."
- "Ah, yes," recalled the judge. "Twenty years!"
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Lorenzo Bellini

Born 3 Sep 1643; died 8 Jan 1704 at age 60.Italian physician and anatomist who described the collecting, or excretory, tubules of the kidney, known as Bellini's ducts (tubules). Bellini is considered a founder of Italian iatromechanism, a pioneer in applying mechanical philosophy to the functions of the human body. His early interests were anatomy and physiology. The first essay he published, Exercitatio anatomica de usu renum (1662), contains his anatomical discovery that in the supposedly unorganized parenchyma there is a complicated structure composed of fibers, open spaces, and densely packed tubules opening into the pelvis of the kidney. His further publications extended his effort to explain all important physiological phenomena according to the law of mechanics. (Several discoveries previously ascribed to Lorenzo Bellini were made earlier by Bartolomeo Eustachi.)Image: kidney structure as drawn by Bellini
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