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 369
chords AB and CD intersect at E ; join AD.The z AEG = the z« ADE, DAE, [I. 32. that is, =the z standing on the arcs AC, BD,that is, =the z at the circumference standing on the sum of the arcs AC, BD,that is, =the z at the centre standing on half the sum of the arcsAC, BD, [III. 20. Similarly the… … Let the chords AB and CD, produced, meet in E ; join AD.The z ADC = the z« EAD, AED, [I. 32. that is, zAEC = difference of the z« ADC, BAD, that is, = z at circumference standing on the difference of the arcs AC, BD,and .-. = Z at centre standing on half the difference of these arcs. XXVI EUCLIDS…
Euclid's Elements · Geometry · Mathematics, Greek
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