 | W.E. WORTHEN - 1857 - 600 pages
...regular polygons; of which figs. 11-14 are examples, annexed to which are their respective designations. A circle is a plane figure contained by one line, which is called the tircwnference, and is such that all straight lines, drawn from a certain point within the figure to... | |
 | John Weale - Architecture - 1859 - 622 pages
...etc., for describing circles, measuring distances, and taking the thickness of solids. Circle, a plain figure contained by one line, which is called the...within the figure to the circumference are equal to one anCHU CIRCULAR. С Г- А other, and this point is called the centre of the circle. The circumference... | |
 | Euclides - 1858 - 248 pages
...in a figure are also points in the same plane, the figure is called a plane figure." — HOSE. 15. A circle is a plane figure contained by one line, which is called the circwnfermce, and is such that all straight lines drawn from a certain point within the figure to the... | |
 | 1858 - 402 pages
...figure, contained by one line, selfinterest, which is called the circumference, and is such, that all lines drawn from a certain point within the figure, to the circumference (i,e., all motives, from the highest to the lowest men), are equal to one another. Sometimes a circle... | |
 | Robert Potts - Geometry, Plane - 1860 - 380 pages
...angle. XIII. A term or boundary is the extremity of any thing. XIV. A figure is that which is enclosed by one or more boundaries. XV. A circle is a plane...to one another. XVI. And this point is called the center of the circle. xvn. A diameter of a circle is a straight line drawn through the center, and... | |
 | Euclides - 1860 - 288 pages
...surface in reference to that of another figure, with which it is compared, is called its area. 17. A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another. 18. This point is called the centre of the circle, as C. Any other point within the circle is an eccentric... | |
 | James McCosh - History - 1860 - 512 pages
...to any length in a straight line;" "There may be such a figure as a circle, that is, a plane figure such that all straight lines drawn from a certain point within the figure are equal to one another;" and that "A circle may be described from any centre at any distance from... | |
 | James Smith - Circle-squaring - 1861 - 292 pages
...imagine," is a plane figure, enclosed by one line, which is called the circumference of the circle, it is such, that all straight lines drawn from a certain...figure to the circumference, are equal to one another. This point within the figure is called the centre of the circle. A straight line drawn through the... | |
 | Euclides - 1861 - 464 pages
...distance from that centre. A st. line may be drawn from any one point to any other point. DEM. 15, 1. A circle is a plane figure contained by one line,...is called the circumference, and is such that all st. lines drawn from a certain point within the figure to the circumference, are equal to one another.... | |
 | Euclides - 1862 - 172 pages
...extremity of any thing.' XIV. A figure is that which is enclosed by one or more boundaries. XV. IA circle is a plane figure contained by one line, which...And this point is called the centre of the circle. XVII. XVIII. A semicircle is the figure contained by a diameter and the part of the circumference cut... | |
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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. 
