| Edward Clarke Lowe - 1866
...which is enclosed by one or more boundaries. 15. 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.** 1C. And this point is called the centre of the circle. 17. A diameter of a circle is a straight line... | |
| Edward Thomas Stevens - 1866
...product is the area. DD THE CIRCLE. Definition : — A circle J8 a plane figure bounded by one line **called the circumference, and is such that all straight lines drawn from, a certain point within the** circle to the circumference are equal to one another. This point is called the centre of the circle.... | |
| Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 400 pages
...is the extremity of 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,...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 - 410 pages
...that which is less than 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,...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 - 115 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 - 296 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... | |
| Richard Wormell - Geometry, Plane - 1870 - 16 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 - 329 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 - 1870
...same plane, the figure is called a plane figure." — HOSE. 15. A circle (circulus, a ring, or hoop) **is a plane figure contained by one line, which is called the circumference** (circumferre, to carry round), and is such that all straight lines drawn from a certain point within... | |
| Euclides - 1871
...is less than a right 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,...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.... | |
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