| Euclid, Robert Simson - Geometry - 1829 - 516 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 - 272 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 - 183 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
...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 - 513 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 - 472 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 - 240 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 - Geometry - 1837 - 318 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 - 390 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 - 284 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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