The elements of Euclid for the use of schools and colleges; comprising the first six books and portions of the eleventh and twelfth books; (1903)
Euclid, Todhunter, I. (Isaac), 1820-1884, ed. edt, Simson, Robert, 1687-1768, ed. edt · London; New York, Macmillan · leaf 183
are on EC, = the square on ED, [II. 6. that is, = the sqs. on EB, BD, since EBD is a right l. [I. 47.But the square on EC = the square on EB;. •. the rect. AD, DC = the square on BD.Wherefore, if from any point, etc. Corollary. If from any point withouta circle there be drawn secants AEB,AFC, the… … 172 EUCLIDS ELEMENTS. Proposition 37. Theorem. If from any point without a circle there he drawn two straightlines, one of which cuts the circle, and the other meets it, and if therectangle contained hy the whole line which cuts the circle, and thepart of it without the circle, be equal to the…
Euclid's Elements · Geometry · Mathematics, Greek
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