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Root 2 as a continued fraction. J. H. Conway, R. K. Guy, The Book of Numbers , Copernicus, 1996. Squaring the circle Doubling the cube Trisecting the angle. p = circumference/diameter. Pi =circumference/diameter Circumference=pi x diameter Diameter=2 x radius Circumference =2 pi r
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J. H. Conway, R. K. Guy, The Book of Numbers, Copernicus, 1996
Pi =circumference/diameter Circumference=pi x diameter Diameter=2 x radius Circumference =2 pi r For a unit diameter circle circumference = pi