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 90
ELEMENTS OF GEOMETRY. BOOK IV, 89 VI. A circle is said to be described about a recti-lineal figure, when (he circumlerence ofthe circle passes through all the angularpoints of the figure about which it is de-scribed. VII. A straight line is said to be placed in a circle, when the extremitiesof it…
Euclid's Elements · Geometry · Trigonometry
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