| Robertson Buchanan - Machinery - 1823 - 442 pages
...which meeting do not lie in one line. 55. A triangle is a figure contained by three straight lines. 56. **A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another,** and this point is called the centre of the circle. 57- The radius of a circle, is a straight line drawn... | |
| Euclid - 1826 - 236 pages
...is the extremity of any thing. 14. A figure is that which is contained under one or more terms. 15. **A circle is a plane figure contained by one line, which is called the circumference,** to which all right lines drawn from one point within the figure are equal to one another. ' 16. And... | |
| Robert Simson - Trigonometry - 1827 - 546 pages
...the extremity of any thing." XIV. A figure is that which is enclosed by one or more boundaries. XV. **A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another.** XVI. And this point is called the centre of the circle. XVII. A diameter of a circle is a straight... | |
| Euclid, Robert Simson - Geometry - 1829 - 548 pages
...extremity of any thing." % . XIV' Jtf figure is that which is enclosed by one or more boundaries. XV. **A circle is a plane figure contained by one line,...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 to the 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... | |
| 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... | |
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