Elements of geometry : containing books I to III (1886)
Smith, J. Hamblin · Toronto : W.J. Gage · leaf 37
thanrf. l s. Produce BC to D. Then l A CD is greater than l ABC. I 16i .•. i s ACD, ACB are together greater than - • .1/■<, A( IBut lsAGD, ACB together=two rt. L 13 .•. /s.l/.v, ACB are together less than two rt. c s.Similarly it maj he shewn that is ABC, BAO and alsothai BAC, ACB are together… … the angles WOP ana AT ire together less than two rightThe Sixth Postulate thai if a line DE meeting i« Other li IP* PA1 ■ A. >. the IWO inter Mlt Book I.] PROPOSITION .. angles on the same side of it, together less than two rightangles, BAfand CN shall meet if produced on the same sideof DE on…
Geometry
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