| Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 426 pages
...any thing. 14. A figure is that which is enclosed by one or more boundaries. 15. A circle is a plane **figure contained by one line, which is called the...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 pages
...a right angle. XTTI. A term or boundary is the extremity of any thing. xrv. XV. A circle is a plane **figure contained by one line, which is called the...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 - Measurement - 1868 - 168 pages
...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 - Measurement - 1869 - 312 pages
...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...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 pages
...may be drawn from any one point to any other point. DEMONSTRATION. — Def. 15. A circle is a plane **figure contained by one line which is called the circumference,...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 - Geometry, Plane - 1870 - 304 pages
...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 - Education, Higher - 1870 - 350 pages
...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,"... | |
| Euclides - 1871 - 136 pages
...angle. XII. A FIGURE is that which is 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.... | |
| 1871 - 788 pages
...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, James Hamblin Smith - Geometry - 1872 - 376 pages
...angle. XII. A FIGURE is that which is 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 equal to one another.... | |
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