| Education - 1844 - 688 pages
...the touching line, shall be equal to the angles in the alternate segments. 12. 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. MECHANICS AND... | |
| Euclid, James Thomson - Geometry - 1845 - 382 pages
...ABC, DEF are equiangular : wherefore, if the sides, &c. PROP. VI. THEOR. — 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 remaining angles are equal, each to each, viz.... | |
| Scottish school-book assoc - 1845 - 444 pages
...other, have the sides about the D equal angles reciprocally proportional; and parallelograms which have one angle of the one, equal to one angle of the other, and the sides about the equal angles reciprocally proportional, (viz. DB:BE=GB:BF), are equal. Let... | |
| Euclid - Geometry - 1845 - 218 pages
...other, have their sides about the equal angles reciprocally proportional: and parallelograms that 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,... | |
| Euclides - 1845 - 546 pages
...to the triangle DEF. Wherefore, if the sides, &c. QED PROPOSITION VI. THEOREM. 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... | |
| Euclid, John Playfair - Euclid's Elements - 1846 - 334 pages
...straight lines AB, BC, a mean proportional DB is found. PROP. XIV. PROB. Equal parallelograms which have one angle of the one equal to one angle of the other, have their sides about the equal angles reciprocally proportional : arallelograms which have one angle of the one equal to one angle of And... | |
| Euclides - 1846 - 292 pages
...BAE is equal to the angle GFL, and BA is to AE as GF to FL : Therefore the two triangles BAE, GFL, having one angle of the one equal to one angle of the other, and the sides about the equal angles proportionals, are equiangular, and therefore the angle AEB is... | |
| Euclides - 1846 - 272 pages
...therefore ex oequali, BD will be to CG, as I to L (by Prop. 33, B. 5). COR. 2. — Triangles which have one angle of the one equal to one angle of the other, are to each other in a ratio compounded of the ratios of the sides about the equal angles. COR. 3.... | |
| Bengal council of educ - 1848 - 394 pages
...of the tests of the former. 2. Give a proof of the following proposition : " If two triangles have one angle of the one equal to one angle of the other, and the sides about two other angles proportionals ; then, if each of the remaining angles be either... | |
| Euclides - 1848 - 52 pages
...shall be those which are opposite to the homologous sides. PROP. VI. THEOREM. 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... | |
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