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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 : 16. And this point is called the centre...
Mensuration of lines, areas, surfaces, and volumes - Page xiii
by Robert Rawson - 1856
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## The Practical Engineer's Pocket Guide: Containing a Concise Treatise on the ...

Mechanical engineering - 1847 - 178 pages
...of a circle is a straight line drawn from the centre to the circumference, as O B4 The diameter oT a circle is a straight line drawn through the centre, and terminated both Ways at the circumference, aa CO A5 A «hord is a straight line joining any two points of the circumference,...
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## Lessons on the delineation of form

Charles Richson - 1848 - 98 pages
...of the circle." (A pair of dividers or compasses will be useful in explaining this definition.} 2. "A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. ' ' 3. "A semicircle is the figure contained by a diameter, and the part of the circumference cut off...
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## The definitions, postulates, axioms, and enunciations of the propositions of ...

Euclides - 1848 - 52 pages
...circumference, are equal to one another. XVI. And this point is called ttas centre of the circle. XVII. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. XVIII. A semicircle is the figure contained by a diameter and the part of the circumference cut off...
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## A Treatise of Plane Trigonometry, and the Mensuration of Heights and ...

Jeremiah Day - Logarithms - 1848 - 153 pages
...any portion of the circumference. A semi.circle is half, and a quadrant onefourth of a circle. II. A Diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. A Radius is a straight line extending from the centre to the circumference. A Chord is a straight line...
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## An introduction to the differential and integral Calculus

James Thomson - 1848 - 326 pages
...the transverse, and DE the conjugate or second axis.* In both the ellipse and the hyperbola also, any straight line drawn through the centre, and terminated both ways by the curve is called a diameter. 5. From the equation of the ellipse found in No. 3, we have a2 : 62 : :...
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## The first three books of Euclid's Elements of geometry, with theorems and ...

Euclid, Thomas Tate - 1849 - 120 pages
...circumference are equal to one another. A VI. And this point is called the centre of the circle. XVII. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. XVIII. A semicircle is the figure contained by a diameter and the part of the circumference cut off...
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## The Modern Builder's Guide

Minard Lafever - Architecture - 1849 - 306 pages
...every where equi-distant from a certain point within the circle, called the centre. (Fig. 23.) XXXI. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. (Fig. 23.) XXXII. A radius of a circle is half of a diameter, or a straight line drawn from the centre...
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## A Manual of Surveying for India, Detailing the Mode of Operations on the ...

Sir Henry Edward Landor Thuillier - Surveying - 1851 - 828 pages
...point within the same figure called the Centre, thus : ABDE is the circumference and C the centre. The Diameter of a circle is a straight line drawn through...and terminated •*' both ways by the circumference, thus : AB is the diameter of the circle ADBE. The Radius of a circle is a straight line drawn from...
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## The first two books of the Elements of Euclid, with additional figures ...

Euclides - 1852 - 152 pages
...centre of the circle. [In the above figures A is the centre of the circle; B is not the centre.] XVII. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. XVIII. A semicircle is the figure contained by a diameter and the part of the circumference cut off...
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## High School Arithemtic: Containing the Elementary and the Higher Principles ...

James B. Dodd - Arithmetic - 1852 - 410 pages
...radius of a circle is a straight line drawn from the centre to the circumference ; and the diameter is a straight line drawn through the centre, and terminated both ways by the circumference. § 392. An arc of a circle is any part of the circumference ; and the chord of an arc is a straight...
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