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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 Elements of Euclid; viz. the first six books,together with the eleventh ...

Euclides - Geometry - 1841 - 378 pages
...circumference, 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...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...

## Elements of geometry: consisting of the first four,and the sixth, books of ...

Euclides - 1842 - 316 pages
...the circumference are equal to one another. XVL 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. A semidiameter of a circle is now usually called the radius. XVIII. A semicircle is the figure contained...

## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1842 - 332 pages
...circumference, are equal to one another . 12. And this point is called the centre of the circle. 13. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. 14. A semicircle is the figure contained by a diameter and the part of the circumference cut off by...

## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - Arithmetic - 1842 - 320 pages
...from a certain point within it. called the CENTRE. An ARC is any part of the circumference. 35. The DIAMETER of a circle, is a straight line drawn through the centre and terminating in the circumference on each side. A Q. What is a Quadrilateral? 27. Parallelogram? 27....

## A course of practical geometry for mechanics

William Pease - Geometry - 1843 - 80 pages
...poles, the lineal length of each degree of longitude, depends upon its distance from the equator. 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...

## Lectures on the Principles of Demonstrative Mathematics

Philip Kelland - Algebra - 1843 - 168 pages
...therefore it appears not to be inconsistent with the Elements to adopt it in the former case too. • 14. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. Euclid adds, " which divides the circle into two equal parts. " This addition is in reality a theorem...

## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - Arithmetic - 1843 - 320 pages
...from a certain point within it, called the CENTRE. An ARC is any part of the circumference. 35. The DIAMETER of a circle, is a straight line drawn through the centre and terminating in the circumference on each side. A Fig. 14. Q. What is a Quadrilateral? 27.Parallelogram?...

## Euclid's Elements of geometry [book 1-6, 11,12] with explanatory notes ...

Euclides - 1845 - 546 pages
...circumference, 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...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...