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The radius of a circle is 3.20 meters. Compute to within .001m the areas of the inscribed and circumscribed equilateral triangles.
A listing of the history sessions at the 2008 Joint Mathematics meetings in San Diego, January 4-9, 2008.
A certain gentleman ordered that 90 measures of grain were to be transported from his house to another, 30 leucas distant.
Boyer's classic text, as revised by Uta Merzbach, is still worth having.
There are two columns in the ruins of Persepolis left standing upright; one is 70 ft. above the plane, and the other 50 ft;
This is the title page of the Summa de arithmetica, geometrica, proportioni et proportionalita, published by Luca Pacioli in 1494. This was the most comprehensive mathematical text of the time and one of the earliest printed mathematical works. It contained not only practical arithmetic, but also algebra, practical geometry and the first published treatment of double-entry bookkeeping.
A translation from the original Greek of a manuscript on magic squares by the Byzantine scholar Manuel Moschopoulos, written about 1315
A cat sitting on a wall 4 cubits high saw a rat prowling 8 cubits from the foot of the wall;
Relationships between Architecture and Mathematics