If two triangles have one angle of the one equal to one angle of the other, and the sides about the equal angles proportionals, the triangles shall be equiangular, and shall have those angles equal which are opposite to the homologous sides. A Shorter Geometry - Page xviLimited preview - About this book
| John Playfair - Euclid's Elements - 1806 - 311 pages
...Wherefore, if two triangles, &c. QED PROP. VII. THEOR. Book vi. IF two triangles have one angle of **one equal to one angle of the other, and the sides about** two other angles proportional ; and if each of the remaining angles be either less, or not less, than... | |
| John Mason Good - 1813
...a mean proportional between two given straight lines. Prop. XIV. Theor. Equal parallelograms which **have one angle of the one equal to one angle of the other,** have their sides about the equal angles reciprocally proport ional : and parallelograms that have one... | |
| Charles Butler - Mathematics - 1814
...a •••• b : ai=the square of the product, wherefore ^/afc=the product. 234. Prop. 23. Hence, **if two triangles have one angle of the one equal to one angle of the other,** they will have to each other the ratio compounded of the ratios of the sides about their equal angles;... | |
| Daniel Cresswell - Geometry - 1816 - 294 pages
...(Art. 97.) BA is equal to FE, and the angle ABC to EFG. PROP. XIX. (114.) Theorem. If two spherical **triangles have one angle of the one equal to one angle of the other, and** have also the two sides about another angle in each severally equal, and if the third angle, in each,... | |
| Euclides - 1816 - 528 pages
...parallelogram BO. Therefore equal parallelograms, gtc. QED, PROP. XV. TIIEOR. EQU AL triangles which **have one angle of the one equal to one angle of the other,** have their sides about the equal angles reciprocally proportional : And triangles which have one angle.... | |
| Daniel Cresswell - Euclid's Elements - 1817 - 436 pages
...two given circles, and also touch the chord on the same side as the less circle touches it. (XI 1 1.) **If two triangles have one angle of the one, equal to one angle of the other, and** also another angle of the one, together with another angle of the other, equal to two right angles,... | |
| Daniel Cresswell - Geometry - 1819 - 410 pages
...having its base DH in BC, and terminated by the given point D, is a rhombus. PROP. XI. 17. THEOREM. **If two triangles have one angle of the one, equal to one angle of the other, and** also another angle of the one, together with another angle of the other, equal to two right angles,... | |
| John Mason Good - 1819
...shall be equiangular, and have their Cjuil angles opposite to the homologous sides. Prop. VI. Theor. **If two triangles have one angle of the one equal to one angle of the other,** arid 'be tides about the equal angles proportionals, the »angles shall be equiangular, and shall have... | |
| John Playfair - 1819 - 317 pages
...triangle ABC is equiangular to the triangle DEF. Wherefore, if the sides, &c. Q, ED PROP. VI. THEOR. **If two triangles have one angle of the one equal to one angle of the** oiker, and the sides about the equal angles proportionals, the triangles shall be equiangular, and... | |
| John Playfair - Euclid's Elements - 1819 - 333 pages
...oiher, have their sides about the equal angles reciprocally proportional : And parallelograms which **have one angle of the one equal to one angle of the other, and** their sides about the equal angles reciprocally proportional, are equal to one another. Let AB, BC... | |
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