| Raymond Clare Archibald - Mathematics - 1918 - 287 pages
...drawn at right angles to AC to meet AC in E. Prove that AE is one-third of AC. 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. 10. Draw a straight... | |
| Education - 1917
...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.... | |
| Mathematical Association, Mathematical Association of America - Mathematics - 2003 - 541 pages
...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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