Elements of geometry, containing books I and II with exercises and notes (1882)
Smith, J. Hamblin (James Hamblin), 1829-1901 · Toronto : Gage · leaf 33
of the other. Thus, in fig. 2,z ABD is the complement of z ABE. (2.) If two angles together make up two right angles, each.^ rilled the SuppLE:>rENT of the other. Thus, in both figures,^ J r>D is the supplement of z ABC, 26 EUCLIDS ELEMENTS. [Book I. Proposition XIV. Theorem. 7/, at a pomt in… … At the pt. B in the st. line AB let the st. lines BC, BD,on opposite sides of AB, make z s ABC, ^4i?i).together=twort. angles. Then BD must he in the same st. line icith BC. For if not, let BE be in the same st. line with BC. Then z s ABC, ABE together=two rt. z s. I. 13. And z s ABC, ABD…
Geometry
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