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 176
» Construction. At A make the lBAD equal to the Z-C; [I. 23.from A draw AE at right angles to AD; [I. 11. bisect AB at F; [L 10, from F draw FG- at right angles to AB to meet AE in G. [L 11. Join GB. Proof. In the triangles AFG, BFG,AF = BF,because i and FG is common, and the right z.AFG = the…
Euclid's Elements · Geometry · Mathematics, Greek
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