Elements of geometry, containing books I and II with exercises and notes (1882)
Smith, J. Hamblin (James Hamblin), 1829-1901 · Toronto : Gage · leaf 70
.Join BE, CH.Then ■.•BC=FG, * Hyp, i^ud EH=FG, 1.34. .\BC=EH;and BC is |1 to EH. Hyp. .-. EB is il to CH ; I. 33. .. EBCH is a parallelogi-am.Xow O EBCH= CJABCD, I. 35. .• they are on the same base BC and.between the same !;s : ar^dCJEBCH^CJEFGH, T. 35. %• they are on tlie same base EH and between… … Let AS ABC, DBC be on tlie same base BC aud betweenthe same \\s AD, BC. TJien must a ABC= a DBC. From B draw BE \\ to CA to meet DA produced in E.From C draw CF \\ to BD to meet AD produced in F.Then EBCA and FCBD are parallelooTams, and O EBCA=nj FCBD, - I. 35. •/ they are on the same base and…
Geometry
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