Elements of geometry, containing books I and II with exercises and notes (1882)
Smith, J. Hamblin (James Hamblin), 1829-1901 · Toronto : Gage · leaf 119
th equal to and greater than z BCD;which is absurd. Lastly, when the vertex D of one of the as falls on aside BC of the other, it is plain that BC and BD cannotbe equal. q. e. d. 112 EUCLIDS ELEMENTS. [Books I. & IL Note 14. Euduls Proof of I. 8. If two irinngJes have two sides of the one equal… … Let the sides of the as ABC, DEF be equal, each to each,that is, AB=DE, AC=DF and BC=EF. Then must l BAC= l EDF. Apply the a ABC to the a DEF. so that pt. B is on pt. E, and BC on EF.Then V BC=EF, .. C will coincide with F,and BC will coincide with EF.Then AB and AC must coincide with DE and DF.…
Geometry
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