| James Smith - Circle-squaring - 1861 - 200 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
...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
...is the extremity of anything. 14. A figure is that which is inclosed by one or more boundaries. 15. **A circle is a plane figure contained by one line,...figure to the circumference are equal to one another.** 16. And this point is called the centre of the circle. 17. A diameter of a circle is a straight line... | |
| Euclides - 1863
...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
...angle. XTII. A tenn or boundary is the extremity of any thing. XIV. A figure is that wnich 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. XVII. A diameter of a circle is a straight line drawn through the center, and... | |
| Euclides - 1864
...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...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... | |
| James A. Christie - 1865
...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... | |
| John Bradley Harbord - Astronomy - 1865 - 29 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 - 317 pages
...contained in a 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,...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
...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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