Elements of geometry : containing books I to VI and portions of books XI and XII of Euclid, with exercises and notes (1881)
Smith, J. Hamblin (James Hamblin), 1829-1901, Kirkland, Thomas, 1835-1898 · Toronto : W.J. Gage · leaf 292
o A AEG. I. 32. ..BA\s,io AD ^zEA \z to AG. VI. 4. .-. rect. BA, AC=vQct. EA, AD, VI. 16. =rect. ED, DA together with sq. on AD. II. 3. Bsrect, BD, DC together with sq. on AD. III. 35. q. E. D, Book VI.] PROPOSITIOX C. Proposition C. Theorem. If from any angle of a triangle a straight line he draum… … Let ABC be a ^, and AD the ^ from A to BC. Describe the £ ABC about the a ABC, III. b, draw the diameter AE, and join EC.Then must reef. BA, AC = rcct. EA, AD. For .• rt. 1 BDA = i EC A, in a semicircle, III. 31.and _ ABD = i AEC, in the same segment, III. 21. .-. A ABD is equiangular to the a AEC.…
Geometry · Geometry, Plane
Internet Archive · Western University Libraries · Public Domain Mark 1.0. Free to use for anything.
