Elements of geometry : containing books I to III (1886)
Smith, J. Hamblin · Toronto : W.J. Gage · leaf 57
iangle be equal.Conclusion. The angles opposite those sides must also beequal T. converse of this is the Theorem I. B. Cor.:Hypothesis. If two angles of a triangle be equalConclusion. The sides opposite those angles must also beequal. The following are other instances :Postulate vi. is the converse… … Let the st. lines AB, CD be each || to EF.Tina must ABU || to CD. Draw the st. line GH, cutting AB, CD, EF in the pts.0, P, Q. Then V (ill cute the || lines AB, EF .: l 40P-=alternate l PQF. I. 29. And •.• (HI cuts the || lines CD, EF, .: extr. i 0PD=intr. _ PQF, I .-. iAOl= L OPD) anil these are…
Geometry
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