| John Leechman - Logic - 1864 - 248 pages
...is a figure which has four equal sides, and four right angles." A circle, we should say, "is a plane **figure contained by one line, which is called the...figure to the circumference are equal to one another."** This kind of definition belongs to the science that is employed about the particular object defined... | |
| Euclides - 1864 - 448 pages
...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, which is called the...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... | |
| Euclides - 1865 - 402 pages
...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, which is called the...another. XVI. And this point is called the centre of the** circl*. XVII. A diameter of a circle is a straight line drawn through the centre, and terminated both... | |
| Robert Potts - 1865 - 528 pages
...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, which is called the...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... | |
| James A. Christie - 1865 - 452 pages
...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, which is called the...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... | |
| 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... | |
| Walter Marsham Adams - 1866 - 114 pages
...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 called the...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.... | |
| John Playfair - Geometry - 1855 - 358 pages
...figure, without any 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...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... | |
| Edward Clarke Lowe - 1866 - 172 pages
...which is enclosed by one or more boundaries. 15. 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.** 1C. And this point is called the centre of the circle. 17. A diameter of a circle is a straight line... | |
| Edward Thomas Stevens - 1866 - 434 pages
...product is the area. DD THE CIRCLE. Definition : — A circle J8 a plane figure bounded by one line **called the circumference, and is such that all straight lines drawn from, a certain point within the** circle to the circumference are equal to one another. This point is called the centre of the circle.... | |
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