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" A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. "
The Elements of Plane Geometry ... - Page 70
by Association for the improvement of geometrical teaching - 1884
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Practical Essays on Mill Work and Other Machinery, Volume 1

Robertson Buchanan - Machinery - 1823 - 440 pages
...centre to the circumference. The word radii is used, when more than one such line is spoken of. 58. The diameter of a circle, is a straight line drawn through...centre, and terminated both ways by the circumference. 59- The arc of a circle is any part of its circumference. 60. A chord of an arc, is a straight line...
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The New Practical Builder and Workman's Companion, Containing a Full Display ...

Peter Nicholson - Architecture - 1823 - 210 pages
...CENTRE of the circle. Thus, in Jig. 26, c is the centre, and cd the radius of the circle ab d. 36. The DIAMETER of a circle is a straight line, drawn through the centre, and terminated by the circumference ; as the line ab, fig. 27. 37. A CHORD of a circle is a straight line, drawn through...
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The Second [-fifth and Sixth] Part of A Course of Mathematics: Adapted to ...

Jeremiah Day - Geometry - 1824 - 440 pages
...any portion of the circumference. A semi-circle is half, and a quadrant one-fourth, of a circle. II. A Diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference/ A Ifatlius is a straight line extending from the centre to the circumference. A Chord is a straight...
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A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - Mathematics - 1825 - 1046 pages
.../" i rence, 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 drawn through...centre, and terminated both ways by the circumference. 1 8. A semicircle is the figure contained by a diameter and the part of a circumference cut off by...
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An Introduction to Ancient and Modern Geography: To which are Added Rules ...

Jacob Abbot Cummings - Cartography - 1825 - 216 pages
...illustrated by drawing a silk handkerchief over a wire circle, which will thus represent the plane. The diameter of a circle is a straight line drawn through the centre from one Ģide of the circumference to the other. -j A semidiameter, or radius, is half of (he diameter,...
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Elements of Arithmetic, Algebra, and Geometry

George Lees - 1826 - 276 pages
...the boundary traced by the remote end of that line its circumference. ELEMENTS Book I. XIV.— The diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. Cor. All radii of the same circle are equal to each other, and to a semi-diameter. XV. — A semicircle...
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Euclid's Elements of geometry, transl. To which are added, algebraic ...

Euclides - 1826 - 226 pages
...16. And this point is called the centre of the circle. 17. A diameter of a circle is a certain right line drawn through the centre, and terminated both ways by the circumference of the circle, and divides the circle into two equal parts. 18. A semicircle is the figure contained...
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Elements of Geometry, Containing the First Six Books of Euclid

Euclid - 1826 - 234 pages
...16. And this point is called the centre of the circle. 17. A diameter of a circle is a certain right line drawn through the centre, and terminated both ways by the circumference of the circle, and divides the circle into two equal parts. 18. A semicircle is the figure contained...
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A Treatise on the New Method of Land Surveying, with the Improved Plan of ...

Thomas Hornby (land surveyor.) - Surveying - 1827 - 318 pages
...the line A C. Hence, the radius is the line or distance that describes the circumference. i 31. The diameter of a circle is a straight line, drawn through the centre, cutting the figure into two equal parts ; as the line A B. 32. A semicircle is half of a whole circle;...
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Elements of Geometry: Being Chiefly a Selection from Playfair's Geometry

John Playfair - Geometry - 1829 - 210 pages
...circumference, and all straight lines drawn from the centre to the circumference are equal to one another. 21. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference; and a radius is a straight line drawn from the centre to the circumference. 22. A semicircle is the...
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