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A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Elements of geometry, based on Euclid, books i-iii - Page 7
by Edward Atkins - 1876 - 119 pages

## The Elements of Geometry, Symbolically Arranged

Great Britain. Admiralty - Geometry - 1846 - 130 pages
...are equal to one another. XVI. And this point is called the centre of the circle. XVII. A diameter of a circle is a straight line drawn through the centre, and terminated both wa\s XVIII. A semicircle is the figure contained by a, dia-meter and the part of the circumference...

## The First Book of Euclid's Elements, Simplified, Explained, and Illustrated ...

Euclides - 1847 - 128 pages
...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 the centre,...part of the circumference cut off by the diameter. The subjoined figure is a Circle, of which the curved line AFGCBO is the circumference; the point E,...

## 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,...

## A Treatise of Plane Trigonometry, and the Mensuration of Heights and ...

Jeremiah Day - Logarithms - 1848 - 153 pages
...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 the 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...

## The definitions, postulates, axioms, and enunciations of the propositions of ...

Euclides - 1848 - 52 pages
...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 the 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...

## Lessons on the delineation of form

Charles Richson - 1848 - 98 pages
...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 the 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...

## 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 : :...

## The Modern Builder's Guide

Minard Lafever - Architecture - 1849 - 306 pages
...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 the 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...