 | Carl Sandburg - 1926 - 528 pages
...breadth; (15) a circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference are equal to one another; (16) and this point is called the centre of the circle. Also... | |
 | Euclid - Geometry - 1933 - 328 pages
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 | R. H. Warn, John G. Horner - Technology & Engineering - 2002 - 292 pages
...boundaries. 12. A. circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference are equal (Fig. 4). 13. And this point is called the centre of the circle (Fig. 4,0).... | |
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