 | Euclid - Mathematics, Greek - 1908 - 456 pages
...presenting this proposition is given by Todhunter. The essential theorem to prove is : If two triangles have two sides of the one proportional to two sides of the other, and the angles opposite to one pair of corresponding sides equal, the angles •which are opposite... | |
 | Edinburgh Mathematical Society - Electronic journals - 1920 - 460 pages
...above. The corresponding theorem in similarity may be enunciated thus : Theorem: If two triangles have two sides of the one proportional to two sides of the other and the angles opposite to one pair of corresponding sides supplementary, then the angles opposite... | |
 | Euclid - 452 pages
...this proposition is given by Todhunter. The essential theorem to prove is : If two triangles haiie two sides of the one proportional to two sides of the other, and the angles opposite to one pair of corresponding sides equal, the angles whi<h are opposite to... | |
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If two triangles, which have two sides of the one proportional to two sides of the other, be joined at one angle, so as to have their homologous sides parallel to one another, the remaining sides shall be in a straight line. Let... 
