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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

## A Text-book of Euclid's Elements for the Use of Schools. Books I and II, Book 1

Henry Sinclair Hall, Frederick Haller Stevens - Euclid's Elements - 1900 - 330 pages
...circle. 16. A radius of a circle is a straight line drawn from the centre to the circumference. 17. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. 18. A semicircle is the figure bounded by a diameter of a circle and the part of the circumference...

## Elementary Geometry, Plane and Solid: For Use in High Schools and Academies

Thomas Franklin Holgate - Geometry - 1901 - 462 pages
...Any straight line drawn from the centre to a point on the sphere is called a radius of the sphere. A straight line drawn through the centre and terminated both ways by the sphere is called a diameter of the sphere. The length of a diameter is twice the length of a radius....

## XX Century Cyclopaedia and Atlas: Biography, History, Art, Science ..., Volume 3

1901 - 532 pages
...line drawn from any point in the curve perpendicularly to the axis is an ordinate to the axis. Any straight line drawn through the centre and terminated both ways by the curve is called a diameter. Ellip'sis, in grammar, the omission of one or more words, which may be...

## First Stage Practical Plane and Solid Geometry

G. F. Burn - Geometry - 1903 - 272 pages
...Practical Geometry, the circumference of a circle is also called the circle. A diameter of a circle is a line drawn through the centre, and terminated both ways by the circumference. A radius of a circle is a line drawn from the centre to the circumference, and is equal to half the...

## A Text-book of Euclid's Elements for the Use of Schools, Book 1

Euclid - Euclid's Elements - 1904 - 488 pages
...circle. 16. A radius of a circle is a straight line drawn from the centre to the circumference. 17. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. 18. A semicircle is the figure bounded by a diameter of a circle and the part of the circumference...

## The Art of Railroading: Or, The Technique of Modern Transportation, Volume 6

Calvin Franklin Swingle, Frederick John Prior - Air-brakes - 1906 - 676 pages
...straight line drawn from the centre to the circumference as LM — Fig. 63. The diameter of acirde is a straight line drawn through the centre, and terminated both ways at the circumference, as ALC. A chord is a straight line joining any two points of the circumference,...

## 20th Century Machine Shop Practice: Arithmetic, Practical Geometry ...

Leonard Elliott Brookes - Machine-shop practice - 1906 - 664 pages
...a straight line drawn from the centre to the circumference as LM— Fig. 63. The diameter of acirde is a straight line drawn through the centre, and terminated both ways at the circumference, as ALC. A chord is a straight line joining any two points of the circumference,...

## A School Geometry, Parts 1-4

Henry Sinclair Hall - 1908 - 286 pages
...line drawn from the centre to the circumference. It follows that all radii of a circle are equal. 3. A diameter of a circle is a straight line drawn through...centre and terminated both ways by the circumference. 4. A semi-circle is the figure bounded by a diameter of a circle and the part of the circumference...