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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

## The Practical Engineer's Pocket Guide: Containing a Concise Treatise on the ...

Mechanical engineering - 1847 - 190 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,...

## 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...

## 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...

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

Jeremiah Day - Logarithms - 1848 - 354 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...

## 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 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...

## 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...

## The Mechanic's Text-book and Engineer's Pocket Guide: Containing a Concise ...

Thomas Kelt - Mechanical engineering - 1849 - 424 pages
...The radius of a circle is a straight line drawn from the centre to the circumference, as O B. 4. The diameter of a circle is a straight line drawn through the centre, and terminated both ways at the circumference, as CO A. 5. A chord is a straight line joining any two points of the circumference,...