 | Euclid, Robert Simson - Geometry - 1829 - 548 pages
...XIII. "A term or boundary is the extremity of any thing." % . XIV' Jtf figure is that which is enclosed by one or more boundaries. XV. A circle is a plane...called the circumference, and is such that all straight lihes drawn from a certain point within' the figure to the circumference, are equal to one another... | |
 | Pierce Morton - Geometry - 1830 - 584 pages
...portions about the diagonal, they complete the whole parallelogram AB (J D. 24. A circle is a plane / N. figure contained by one / \ line, which is called the circumference, and is each that all straight lines drawn from a certain point within the figure to the circumference are... | |
 | Euclid - Euclid's Elements - 1833 - 216 pages
...which is bounded on all sides by one or more lines. . Fig. 5. 15. A circle is a plane figure bounded by one line, which is called the circumference, and is such that all right lines, drawn from a certain point within the figure to the circumference, are equal to one another.... | |
 | Mathematics - 1835 - 684 pages
...together with the portions about the diagonal, they complete the whole parallelogram А В С D. 24. A circle is a plane figure contained by one line,...circumference, and is such that all straight lines drawn from a cer- " tain point within the figure to the circumference are equal to one another. This point is called... | |
 | Euclid - 1835 - 540 pages
...contained by one line, which Book I. is called the circumference, and is such that all straight vpr"-' lines drawn from a certain point within the figure...circumference are equal to one another. XVI. And this point is calledihe centre of the circle. XVII. A diameter of a circle is a straight line drawn through the centre,... | |
 | Mathematics - 1836 - 488 pages
...figure, without any reference to the nature of the line or lines which bound it. 11. A circle is a plain figure contained by one line, which is called the...figure to the circumference, are equal to one another. 12. And this point is called the centre of the circle. 13. A diameter of a circle is a straight line... | |
 | Andrew Bell - Euclid's Elements - 1837 - 290 pages
...surface in reference to that of another figure, with which it is compared, is called its area, 14. A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another. 15. This point is called the centre of the circle. 16. A diameter of a circle is a straight line drawn... | |
 | John Playfair - Euclid's Elements - 1837 - 332 pages
...contained in a figure, without any reference to the nature of the line or lines which bound it. 11. A circle is a plane figure contained by one line,...circumference, and is such that all straight lines drawn from a certaia point within the figure to the circumference, are equal to one another. 12. And this point... | |
 | Euclid, James Thomson - Geometry - 1837 - 410 pages
...rliomboid is a parallelogram which has not its adjacent sides equal, nor its angles right angles. 30. A circle is a plane figure contained by one line,...called the circumference, and is such that all straight Q y lines drawn from a certain point within the figure to K/^>~^0 the circumference are equal to one... | |
 | James Thomson (LL.D.) - Arithmetic - 1837 - 296 pages
...line passing through two of its remote angles. XVII. A CIRCLE is a figure contained on a flat surface, by one line which is called the CIRCUMFERENCE; and is such that all straight lines drawn to the circumference from a certain point within the figure, called the CENTRE, are equal to each other.... | |
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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. 
