Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids : to which are added, Elements of plane and spherical geometry (1826)
Playfair, John, 1748-1819, Euclid · Philadelphia : Marot & Walter · leaf 78
OF GEOMETRY. BOOK III. ffi? anj other point (10. 3.): one of the seg-ments must therefore fall within the other:let ACB fall within ADB,draw the straightKne BCD, and join CA, DA: and becausethe segment ACB is similar to the segmentADB, and similar segments of circles con-tain (9. def. 3.) equal…
Euclid's Elements · Geometry · Trigonometry
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