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 29
n the sideAB ; the angle ABC is also greaterthan the angle BCA. From AC, which is greater thanAB, cut off (3. 1.) AD equal to ABand join BD ; and because ADB isthe exterior angle of the triangleBDC, it is greater (16. .) than theinterior and oppoi*ite angle DCB; but ADB is equal (5. I.) to… … OP GEOMETRY. BOOK h
Euclid's Elements · Geometry · Trigonometry
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