The elements of Euclid for the use of schools and colleges : comprising the first two books and portions of the eleventh and twelfth books; with notes and exercises (1880)
Todhunter, I. (Isaac), 1820-1884 · Toronto : Copp, Clark · leaf 30
more then are BA, ^(7 greater than BD, DC. Again, because the exterior angle of any triangle isgreater than the interior opposite angle, the exteriorangle BDC of the triangle CDE is greater than the angleCED. [I. 16. For the same reason, the exterior angle CEB of the tri-angle ABE is greater than… … PROPOSITION 22. PROBLEM. To make a triangle of which the sides shall he equal tothree gicen straight lines, hut any two whatever of thesemust he greater than the third. Let A, B, Che the three given straight lines, of whichany two whatever are greater than the third; namely,A and B greater than C;…
Geometry · Euclid's Elements · Mathematics, Greek
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