The American Mathematical Monthly, Vol. 18, No. 10 (Oct., 1911), pp. 171-174 (4 pages) ...
THIS is, in general, quite a well-written book, though, in some respects, on old lines. It covers elementary trigonometry to the logarithmic solution of triangles, and makes a good beginning by ...
Polygons can be regular or irregular in shape. A polygon is a closed 2D shape with at least three sides. A regular polygon is a polygon with all equal sides and angles. An irregular polygon is a ...
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