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If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
The first six books of the Elements of Euclid, with numerous exercises - Σελίδα 124
των Euclides - 1853 - 147 σελίδες
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## Abraham Lincoln: The Prairie Years,

Carl Sandburg - 1926 - 528 σελίδες
...equal to one angle of the other, 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." "In this...

## Theoretical Geometry: Based on the Various Geometry Books by Godfrey and Siddons

Arthur Warry Siddons, Reginald Thomas Hughes - 1926 - 202 σελίδες
...sides proportional, they are equiangular with one another . , . . . .115 THEOREM 56. If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar 116 PAGE THEOREM 57....

## Bulletin

1917 - 964 σελίδες
...drawn at right angles to AC to meet .4 C in E. Prove that AE is one-third of A C. 9. If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, prove that the triangles are similar. APPENDIX...

## The Examination Statutes ... Together with the Regulations of the Boards of ...

University of Oxford - 1913 - 386 σελίδες
...triangles are equiangular their corresponding sides are proportional ; and the converse. If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar. The internal bisector...

## The Changing Shape of Geometry: Celebrating a Century of Geometry and ...

Chris Pritchard - 2003 - 572 σελίδες
...the Committee suggest that the following proposition be adopted: If two triangles (or parallelograms) have one angle of the one equal to one angle of the other, their areas are proportional to the areas of the rectangles contained by the sides about the equal...
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