 | 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...figure to the circumference are equal to one another. XVI. And this point is called the centre of the circle. XVII. XVIII. A semicircle is the figure contained... | |
 | Euclides - 1863 - 122 pages
...any thing. XIV. A figure is that which is enclosed by one or more boundaries. XV. A circle is a piano 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... | |
 | Euclides - 1863 - 74 pages
...points in the same plane, the figure is called a plane figure. 15. A circle (circulus, a ring, or hoop), is a plane figure contained by one line, which is called the circumference (circvmferri; to carry round), and is such that all straight lines drawn from a certain point ivithiu... | |
 | Euclides - 1864 - 448 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. And this point is called the center of the circle. XVII. A diameter of a circle is a straight line... | |
 | Robert Potts - 1865 - 528 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 center of the circle. xvn. A diameter of a circle is a straight line... | |
 | James A. Christie - 1865 - 454 pages
...WORKED our. What is the diameter of a circle containing 70- ao. 2- rd. 2976 po. statute measure 1 i "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 diameter of a circle is a straight line passing... | |
 | Euclides - 1865 - 402 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 circl*. XVII. A diameter of a circle is a straight... | |
 | John Bradley Harbord - Astronomy - 1865 - 52 pages
...of Navigation.' CHAPTER II. DEFINITIONS. THE SPHERE. A Sphere : A figure bounded by a curved surface such that all straight lines drawn from a certain point within the figure to the surface are equal to one another : this point is called the Centre of the Sphere. Great Circles of... | |
 | John Playfair - Geometry - 1855 - 350 pages
...an' gle at a point, it may be expressed by a letter placed at that point ; as th« ' angle at £.' When a straight line standing on another straight...the figure to the circumference, are equal to one .mother and are called radii 12. And this point is called the centre of the circle. 13. A diameter... | |
 | Walter Marsham Adams - 1866 - 114 pages
...Circle; and secondly, to examine some of the various parts of these figures.. " A Circle," says Euclid, " is a plane figure contained by one line, which is...figure to the circumference are equal to one another. And this point is called the centre of the circle " (1.) (AB=AP.) The definitions correspond exactly.... | |
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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. 
