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If two triangles have two angles of the [one equal to two angles of the other, each to each, and one side equal to one side, namely, either t}le sides adjacent to the equal...
A companion to Euclid: being a help to the understanding and remembering of ... - Page 24
by Euclides - 1837 - 88 pages

## Elementary Geometry: Practical and Theoretical

Charles Godfrey, Arthur Warry Siddons - Geometry - 1903 - 384 pages
...falls along EF. Do the two triangles coincide ? THEOREM 11. If two triangles have two angles of the one equal to two angles of the other, each to each, and also one side of the one equal to the corresponding side of the other, the triangles are congruent....

## The School World: A Monthly Magazine of Educational Work and Progress, Volume 5

Education - 1903 - 692 pages
...contained by 'hole sides equal, the triangles are congruent. Utwo triangles have two angles of the one equal to two angles of the other, each to each, and also one side of the one equal to '••« corresponding side of the other, the triangles are congruent....

## Plane Geometry

Fletcher Durell - Geometry, Plane - 1904 - 382 pages
...be proved that AB : A'B' = BC : B'C'. Hence the A ABC and A'B'C' are similar. Art. 321. 324. COR. 1. If two triangles have two angles of one equal to two angles of the other, the triangles are similar; also, If two right triangles have an acute angle of one equal to an acute...

## Plane and Solid Geometry

Fletcher Durell - Geometry - 1911 - 553 pages
...be proved that AB : A'B' = BC : BfCr. Hence the A ABC and A'B'C' are similar. Art. 321. 324. COR. 1. If two triangles have two angles of one equal to two angles of the of her, the triangles are similar; also, If two rigid triangles have an acute angle of one equal to...

## A Text-book of Euclid's Elements for the Use of Schools, Book 1

Euclid - Euclid's Elements - 1904 - 488 pages
...than the angle EOF. QED EXERCISE. PROPOSITION 26. THEOREM. If two triangles have two angles of the one equal to two angles of the other, each to each, and a side of one equal to a side of the other, these sides being either adjacent to the equal angles,...

## The New International Encyclopaedia, Volume 18

...principal propositions of Similarity THBEK eiMlLAB TETRillF.DRi. are: Two triangles are similar if they have two angles of one equal to two angles of the other, respectively. Mutually equiangular triangles are similar. If two triangles have the sides of the THIIEE...

## Calendar

University of Allahabad - 1907 - 528 pages
...contained by these sides equal, the triangles are congruent. If two triangles have two angles "of the one equal to two angles of the other, each to each, and also one side of the one equal to the corresponding side of the other, the triangles are congruent....

## A School Geometry, Parts 1-4

Henry Sinclair Hall - 1908 - 286 pages
...bisected at right angles by ZY ; and YP, ZQ, are perp'. on BC. Mr' DPC THEOREM 17. [Euclid I. 26.] If two triangles have two angles of one equal to two angles of the other, each to each, andfani^side of the first equal to the corresponding side of the other, the triangles are equal in...