Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 39
GEOMETRY BOOK II, OF THE CIRCLE DEFINITIONS. 1. The ciicumference of a circle is a curve line, all thepoints of which are equally distant from a certain point withincalled the centre. 2. The circle is the space bounded by this curve line. 3. Every straight line, CA, CD, CE, drawnfrom the centre to… … 4. Any portion of the circumference,as EFG, is called an arc. 5. A straight line, as EG, joining tho^extremities of an arc, is called a chord. 6 A segment is the surface or portionof a circle included between an arc andits chord. Thus EFG is a segment.
Geometry · Plane trigonometry
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