| Euclid - 1822 - 222 pages
...~* 14. A plane figure is a plane surface^ which is. bounded on all sides by one or more lines. 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.... | |
| Robertson Buchanan - Machinery - 1823 - 440 pages
...A triangle is a figure contained by three straight lines. 56. A circle is a plane figure contained by one line, which is called the circumference, and...straight lines drawn from a certain point within the figure to the circumference, are equal to one another, and this point is called the centre of the circle.... | |
| Robert Simson - Trigonometry - 1827 - 546 pages
...figure is that which is enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, which is called the circumference, and...straight lines drawn from a certain point within the figure to the circumference, are equal to one another. XVI. And this point is called the centre of... | |
| Euclid, Robert Simson - Geometry - 1829 - 548 pages
...figure is that which is enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, which is 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... | |
| Euclid - Euclid's Elements - 1833 - 216 pages
...plane figure is a plane surface, 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
...diagonal, they complete the whole parallelogram А В С D. 24. 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 cer- " tain point within the figure to the circumference are equal to one another. This point is called... | |
| Mathematics - 1836 - 488 pages
...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 circumference, and...straight lines drawn from a certain point within the figure to the circumference, are equal to one another. 12. And this point is called the centre of the... | |
| Andrew Bell - Euclid's Elements - 1837 - 290 pages
...another figure, with which it is compared, is called its area, 14. A circle is a plane figure contained by one line, which is called the circumference, and...straight lines drawn from a certain point within the figure to the circumference, are equal to one another. 15. This point is called the centre of the circle.... | |
| John Playfair - Euclid's Elements - 1837 - 332 pages
...reference to the nature of the line or lines which bound it. 11. 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 certaia point within the figure to the circumference, are equal to one another. 12. And this point... | |
| 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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