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 67
ual to the square onAC. [LI. 4, Corollary, and I. 34. Therefore four times the rectangle AB, BC, together withtlie square on AC, is ecjual to the gnomon AOH and thestjuare XH. J>ut the gnomon AOH and the square XH make up thefigure AEFD, which is the square (^n AD. Therefore four times the… … PROPOSITION 9. THEOREM. If a straight line he divided into two equal, and alsointo two unequal 2^arts, the squares on the two unequalparts are together double of the square on half the lineand of the square on the line between the points of section. Let the straight line AB he divided into two…
Geometry · Euclid's Elements · Mathematics, Greek
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