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 63
m anypoint in the circumference of the seg-ment, to the extremities of the straigjjlline which is the base of the segment! YII. And an angle is said f o insist or stand uponthe arch intercepted between the straightlines which contain tlxe angle. VIII. The sector of a circle is the figure con-tained…
Euclid's Elements · Geometry · Trigonometry
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