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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.
Theoretical Geometry: Based on the Various Geometry Books by Godfrey and Siddons - Page 29
by Arthur Warry Siddons, Reginald Thomas Hughes - 1926 - 173 pages

## The New International Encyclopędia, Volume 21

Frank Moore Colby, Talcott Williams - Education - 1922 - 1022 pages
...QUADRILATERALS. one respectively parallel or perpendicular to the , sides of the other, they are similar. If two triangles have one angle of the one equal to one 120 SIMMONS angle of the other and the including sides proportional, the triangles are similar. If...

## Bulletin

Education - 1917 - 964 pages
...square on AB. BE is 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 A. Elementary TRir.ONCxiernY....

## Bulletin, Issues 22-33

Education - 1917 - 1034 pages
...square on AB. BE is drawn at right angles to AC to meet .1 C in E. Prove that AE is one-third of AC. 9. If two triangles have one angle of the one equal to one angle <if the other and the sides about these equal angles proportional, prove that the triangles are similar....

## Euclid's Elements, Books 1-6; Book 11

Euclid - Geometry - 1933 - 328 pages

## The New Geometry Complete: The Agreed Scheme Drawn Up by ..., Volumes 1-5

Alexander Symon - Geometry - 1935 - 722 pages

## Higher Certificate and Intermediate Tests in Mathematics

Reginald James Fulford - Mathematics - 1938 - 104 pages

## Mathematics at the Cross-roads: A Critical Survey of the Teaching of ...

Abraham Johannes van Zyl - Education - 1942 - 256 pages

## Educational Studies and Investigations, Volume 1

Indian Institute of Education - Education - 1951 - 292 pages