 | Euclides - 1814 - 560 pages
...is inclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, winch is called the circumference, and is such that all...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... | |
 | Charles Butler - Mathematics - 1814 - 528 pages
...figures as are contained by more than one line, as the triangle, square, polygon, &c. are excluded; "and is such that all straight lines drawn from a certain point within the figure" (called in the next following definition " the centre") to the circumference, are equal to one another... | |
 | Daniel Cresswell - Geometry - 1816 - 352 pages
...OF A SPHERE AND A PLANE. DEFINITIONS. ART. 1. A- Sphere is a solid 'figure contained by one surface, and is such that all straight lines, drawn from a certain point within the figure to the surface, are equal to one another : (2.) And this point is called the Center of the Sphere. (3.) A... | |
 | John Playfair - Circle-squaring - 1819 - 350 pages
...space contained in a figure, i.mj reference, to the nature of the line or lines which bound it. XI. A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another. XII. And this point is called the centre of the circle. XIII. A diameter of a circle is a straight... | |
 | Euclid, Robert Simson - Geometry - 1821 - 514 pages
...the extremity of any thing." XIV. 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: XVI. And this point is called the centre of the circle. xy n. A diameter of a circle is a straight... | |
 | Robertson Buchanan - Machinery - 1823 - 440 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... | |
 | 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
...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 : XVI. Andthis point is called the centre of the circle, XVII. A diameter of a circle is a straight... | |
 | Pierce Morton - Geometry - 1830 - 584 pages
...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...figure to the circumference are equal to one another. This point is called the centre of the circle ; and the distance from the centre to the circumference... | |
 | Euclid - Euclid's Elements - 1833 - 216 pages
...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. 1 6. And this point is called the centre of the circle. See N. 17. A diameter of a circle is a right... | |
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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. 
