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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 17

An illustration from 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, leaf 17
quiangular triangle is alsoequilateral. PROPOSITION 7. THEOREM.On the same hase, and on the same side of it, there can-not he two triangles having theirsides which are terminated at oneextremity of the hase equal to oneanother, and likewise those whichare terminated at the other ex-tremity equal to… … BOOK I. 7, 8. 13 to one another, and likewise their sides CB^ DB, which areterminated at B equal to one another. Join CD. In the case in whici the vertex of each tri-angle is without the other triangle ; because ACi?> equal to AD, [Hypothesis. the angle ACD is equal to the angle ADC. [I. 5. But…

Geometry · Euclid's Elements · Mathematics, Greek

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