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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. "
Orr's Circle of the Sciences: Organic nature, vols. 1-3 (1854-1856) - Page 45
edited by - 1854
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The Elements of Euclid, containing the first six books, with a selection of ...

Euclides - 1874 - 342 pages
...boundaries. 16. 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...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...
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A School Euclid. Being Books I.&II. of Euclid's Elements. With Notes ...

Euclides - 1874 - 120 pages
...boundaries. 15. 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...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...
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Pure mathematics, Volume 1

Edward Atkins - 1874 - 428 pages
...boundaries. 15. 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...figure to the circumference are equal to one another. 16. And this point is called the centre of the circle, [and any straight line drawn from the centre...
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The Intuitions of the Mind Inductively Investigated

James McCosh - Intuition - 1874 - 484 pages
...any length in a straight line ;" " There may be such a figure as a circle, that is, a plane figure such that all straight lines drawn from a certain point within the figure are equal to one another ;" and that " A circle may be described from any centre at any distance from...
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Elements of Euclid Adapted to Modern Methods in Geometry

Euclid, James Bryce, David Munn (F.R.S.E.) - Geometry - 1874 - 236 pages
...not right angles. 30. 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. This point is called the centre of the circle. 31....
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A Military Dictionary: Comprising Terms, Scientific and Otherwise, Connected ...

George Elliot Voyle, G. de Saint-Clair-Stevenson - English language - 1876 - 676 pages
...of a seer. Circle — A plane figure, contained by one line which is called the circumference, and is such that all straight lines drawn from a certain...another. This point is called the centre of the circle. Circumference, vide Circle. Ciroumferenta — A small hand wheel, which is used to measure the circumference...
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Syllabus of Plane Geometry: (corresponding to Euclid, Books I-VI) ...

Association for the improvement of geometrical teaching - Geometry, Modern - 1876 - 66 pages
...surface enclosed by a line or lines. DEF. 8. A circle is a plane figure contained by one line, which lines drawn from a certain point within the figure...another. This point is called the centre of the circle. DEF. 9. A radius of a circle is a straight line drawn from the centre to the circumference. DEF. io....
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - Geometry - 1876 - 446 pages
...boundaries. 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...figure to the circumference, are equal to one another. XVL And this point i* called the center of the circle. xvn. A diameter of a circle is a straight line...
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Primer of geometry

Francis Cuthbertson (geometer.) - 1876 - 102 pages
...equal in all respects. A circle is a plane figure bounded by one line, called the circumference, and is such that all straight lines drawn from a certain...within the figure to the circumference are equal. That point is called the centre, and those straight lines are called radii. STRAIGHT LINES, ANGLES,...
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Elements of geometry, based on Euclid, books i-iii

Edward Atkins - 1876 - 130 pages
...boundaries. 15. A circle is a plane figure contained by one lincj which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to tho circumference are equal to one another. 16. And this point is called the centre of the circle,...
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