The elements of Euclid for the use of schools and colleges : books I., II., III. (1876)
Todhunter, I. (Isaac), 1820-1884 · Toronto : Copp, Clark · leaf 112
n an angle equalto the angle D. TJocause the straight lino EF touches the circle ABC,and Z>C is drawn from the point of contact B, [Constr. tlierefore the angle FBC is equal to the angle in thealternate segment BAG of the circle. [III. 32. But the angle FBC is equal to the angle D.… … PROPOSITION 35. THEOREM. Tf two straight lines cut one am<>ther within a circle,the rectangle contained by the segments of one vf them$hallbe equal to the rectangle comtained by the segment*of the other. lu« EUULlDii ELEMENTS.
Geometry · Euclid's Elements · Mathematics, Greek
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