 | Euclides - Geometry - 1853 - 176 pages
...any thing. XIV. A figure is that which is enclosed by one or more boundaries. XV. A circle is a plain figure contained by one line, which is called the...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... | |
 | William Somerville Orr - Science - 1854 - 534 pages
...circle 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 is called the centre of the circle. And any line drawn from the centre to the circumference... | |
 | Euclides - 1855 - 270 pages
...definition is unnecessary, being merely verbal. XIV. XV. A circle is a plane figure contained [or, bounded] by one line, which is called the circumference, and...figure to the circumference, are equal to one another. The circumference of a circle is its boundary. The space contained within the boundary, is called the... | |
 | Robert Rawson - 1856 - 178 pages
...the extremity of any thing." xrv. A figure is that which is inclosed 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. XVL And this point is called the centre of the circle. XVH. A diameter of a circle is a straight line... | |
 | William Pease - 1856 - 108 pages
...frequently in mathematical drawings, and besides, is most simple of construction. An Ellipse, like a circle, is a " plane figure, contained by one line, which is called its circumference ;" it has two diameters, called respectively, the transverse and conjugate ; the... | |
 | 1856 - 422 pages
...curve line, called the circumference or periphery, which is such that all straight lines drawn trom a certain point within the figure to the circumference are equal to each other. This point is called the centre of the circle, and each of the straight unes is called... | |
 | William Ezra Worthen - Architectural drawing - 1857 - 632 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,...figure to the circumference, are equal to one another. And this point is called the centre of the circle. The term circle is very generally used for the circumference,... | |
 | 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... | |
 | William Whewell - Knowledge, Theory of - 1858 - 414 pages
...circle,—' that it is a figure contained by one line, which is called the circumference, and which is such, that all straight lines drawn from a certain point within the circumference are equal to one another,'— we were to substitute an axiom and a definition, as follows:—... | |
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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. 
