 | Euclid, Isaac Todhunter - 1867 - 426 sider
...is enclosed by one or more boundaries. 15. A circle is a plane figure contained by one line, which is called the circumference, and is such, that all...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... | |
 | Robert Potts - 1868 - 434 sider
...boundary is the extremity of any thing. xrv. XV. 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 tie figure to the circumference, are equal to one another. XVI. And this point is called the center... | |
 | Septimus Tebay - 1868 - 168 sider
...10. An acute angle is less than a right angle. 11. A circle is a plane figure contained by one line, called the circumference, and is such that all straight lines drawn from a certain point within it to the circumference are equal to one another. 12. And this point is called the centre of the circle... | |
 | Isaac Todhunter - 1869 - 312 sider
...polygon which are not adjacent is also called a 15. A circle is a plane figure bounded by one lino which is called the circumference, and is such that all...figure to the circumference are equal to one another: this point is called the centre of the circle. A radius of a circle is a straight line drawn from the... | |
 | Euclides - 1870 - 270 sider
...any other point. DEMONSTRATION. — Def. 15. A circle is 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 (called the centre) to the circumferenee are equal to one another. AT. 1. Magnitudes which are equal... | |
 | Richard Wormell - 1870 - 304 sider
...Circumferences.— Use of compasses. 43. A circle is a figure contained by one line, termed the circumference, such that all straight lines drawn from a certain...within the figure to the circumference are equal. If we place one of the points of a pair of compasses upon a perfectly even board, and the compasses... | |
 | John Bruce Norton - 1870 - 350 sider
...allusion to it as " a plain figure contained by one line called the circumference, and such that all right lines drawn from a certain point within the figure to the circumference are equal to one another?" Why then should we stumble or 'be offended at the use of such terms as " Estopell," "Alimony," " Certiorari,"... | |
 | 1871 - 800 sider
...Euclid and Montucla have written in vain. According to their definition, the circumference of a circle 'is such, that all straight lines drawn from a certain point within the figure ,' etc. How in the world could such a point be otherwise than ' within the figure?' IB there any such... | |
 | Euclides - 1871 - 136 sider
...enclosed by one or -ore boundaries. XIII. A CIRCLE is a plane figure contained by one line, -which is called the CIRCUMFERENCE, and is such, that all straight lines drawn to the circumference from a certain point (called the CENTRE) within the figure are eqxial to one another.... | |
 | Popular educator - 1872 - 848 sider
...contained or bounded by a canal line, called the circumference or periphery, which is snch that aU straight lines drawn from a certain point within the figure to the circumference are equal to each other. This point Kg. 6. Fig. 7. is called the centre of the circle, and each of tho straight... | |
| |
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. 
