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 166
[Hypothesis. [1.4. [Hypothesis, [IIL Def.U. [Ill 24. Construction. Join BC, EF. Proof. Because the circles ABC, DEF are equal, [Hyp-their radii are equal; [IIL Definition 1. Then, in the triangles BGC, EHF, [ BG = EH, because^ and GC = HF, I and the ^BGC = the Z.EHF;.-. the base BC = the base…
Euclid's Elements · Geometry · Mathematics, Greek
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