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" 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. "
The Elements of Euclid; viz. the first six books, together with the eleventh ... - Strona 3
autor: Euclides - 1814
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1868 - Liczba stron: 410
...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...
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Elementary mensuration

Septimus Tebay - 1868 - Liczba stron: 115
...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...
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Mensuration for Beginners: With Numerous Examples

Isaac Todhunter - 1869 - Liczba stron: 296
...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...
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Gradations in Euclid : books i. and ii., with an explanatory preface [&c ...

Euclides - 1870
...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...
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An elementary course of plane geometry and mensuration

Richard Wormell - 1870 - Liczba stron: 276
...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...
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The Educational Speeches of the Hon'ble John Bruce Norton

John Bruce Norton - 1870 - Liczba stron: 329
...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,"...
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The Southern Review, Tom 9;Tom 12;Tom 15

1871
...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...
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Elements of geometry, containing the first two (third and fourth ..., Część 1

Euclides - 1871
...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....
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The Popular Educator, Tom 1

Educator - 1872
...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...
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Elements of geometry, containing books i. to vi.and portions of books xi ...

Euclides, James Hamblin Smith - 1872 - Liczba stron: 349
...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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