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 120
B D C B CD Proof. First, let AC be not perpendicular to BC. In Fig. 1 BC is divided at D, and in Fig. 2 BD is dividedat C; therefore, in both cases, the squares on CB, BD = twice the rectangle CB, BD, togetherwith the square on CD. [II. 7. To each add the square on DA; /. the squares on CB, BD, DA…
Euclid's Elements · Geometry · Mathematics, Greek
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
