| 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 - 800 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.... | |
| Popular educator - 1872 - 848 pages
...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... | |
| Euclid, Charles Peter Mason - Geometry - 1872 - 216 pages
...XII. An acute angle is an angle which is less than a right angle. Def. XV. A circle is a plane bounded **figure, contained by one line, which is called the circumference, and is such, that** every point in it is at the same distance from a certain point within, which is called the centre.... | |
| Henry Major - Student teachers - 1873 - 588 pages
...more boundaries. , XV. A circle is a plane figure contained by one line, called the circumference, **such that all straight lines drawn from a certain...to the circumference are equal to one another. XVI.** This point is called the centre. XVII. A diameter of a circle is a straight line drawn through the... | |
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