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" Two triangles are equal if two sides and the included angle of the one are equal respectively to two sides and the included angle of the other (sas = sas). Hyp. In A ABC and A'B'C', AB = A'B', BC = B'C', and Z B = Z B'. "
The Elements of Solid Geometry - Page 94
by William C. Bartol - 1893 - 95 pages
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Mathematics: Course of Study for Senior and Junior High Schools

Baltimore (Md.). Department of Education - Mathematics - 1924 - 182 pages
...corresponding parts of the other." Book I. Fundamental Theorems 1. Two triangles are congruent, if: a. Two sides and the included angle of the one are equal respectively to two sides and the included angle of the other. b. Two angles and a side of one are equal to two angles and a corresponding side of the...
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Proceedings of the Central Association of Science and Mathematics ..., Volume 16

Central Association of Science and Mathematics Teachers (U.S.) - Education - 1916 - 228 pages
...thought. The student is, as a rule, not much surprised to find that two plane triangles are congruent when two sides and the included angle of the one are equal, respectively, to the corresponding parts of the other. On the other hand we really open up broad and surprising vistas...
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