| Great Britain. Committee on Education - 1850
...following definitions, of a circle and parallel straight lines, point out two errors. (1.) A circle iť **a plane figure contained by one line, which is called the circumference, and is such that all** lines drawn from a certain point within the figure are equal to one another. (2.) Parallel lines are... | |
| Euclides - 1852
...figure contained by one boundary. Fig. 2. and Jig. 3. figures contained by more than one boundary.] **XV. A circle is a plane figure contained by one line,...circumference, and is such that all straight lines** B 3 BOOK I. drawn from a certain point within the figure to the circumference, are equal to one another.... | |
| Euclides - 1852
...a plane figure bounded by one line called the circumference, and is of such a kind, that all right **lines drawn from a certain point within the figure to the circumference are equal to one another** ; as, the circle DBF. 17. This point is called the centre of the circle, and the right line drawn from... | |
| Popular educator - 1852
...a ame line, called the cireumference or periphery, which is such that all straight linen 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 lines is called... | |
| Royal Military Academy, Woolwich - Mathematics - 1853
...is the extremity of anything. 14. A figure is that which is enclosed 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 - Geometry - 1853
...plane figure is to be understood. XV. A circle is defined to be a plane figure, contained by one line, **such that all straight lines drawn from a certain point within the figure, to** meet this one line, are equal to one another. XVI. This one line is called the circumference of the... | |
| William Somerville Orr - Science - 1854
...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
...solid figures, as well as to plane figures. 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
...which is less than a right angle. /^ XHL " A term or boundary is the extremity of any thing." xrv. **A figure is that which is inclosed by one or more...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... | |
| 1856
...is a plane figure contained or bounded by a curve line, called the circumference or periphery, which **is such that all straight lines drawn from a certain...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... | |
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