Books Books
... 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 of the circle.
A Series on Elementary and Higher Geometry, Trigonometry, and Mensuration ... - Page 197
by Nathan Scholfield - 1845

## Elements of geometry, based on Euclid, book i

Edward Atkins - 1877 - 74 pages
...the centre to the circumference is called a radius of the circle]. 1 7. A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 18. A semicircle is the figure contained by a diameter and the part of the circumference...

## Spherical Trigonometry, for the Use of Colleges and Schools: With Numerous ...

Isaac Todhunter - Spherical trigonometry - 1879 - 176 pages
...sphere. The straight line which joins any point of the surface with the centre is called a radius. A straight line drawn through the centre and terminated both ways by the surface is called a diameter. 2. The section qf the surface of a sphere made by any plane is a circle....

## The elements of plane geometry, from the Sansk. text of Ayra Bhatta, ed. by ...

Āryabhaṭa - 1878 - 100 pages
...circle.] VII. And this point is called the centre of the circle. VIII. [A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumfer|nce. The straight line AC in figure : Prop. 1. is a diameter.] IX. A radius is a straight...

## First B.A. Examination, University of London: A Hand-book to the Study of ...

J. G - 1878 - 408 pages
...the centre, we know the position of the sphere, Two sphe.es are equal when their radii are equal. A straight line drawn through the centre and terminated both ways by the surface is called a diameter. A sphere is supposed to be engendered by the revolution of a semicircle...

## Elementary geometry

James Maurice Wilson - 1878 - 450 pages
...circle. A straight line drawn to the circumference from the centre is called a radius of the circle. A straight line drawn through the centre and terminated both ways by the circumference is called a diameter of the circle. Def. i. An arc is a part of a circumference. Def....

## Euclid, books i. & ii., with notes, examples, and explanations, by a late ...

Euclides - 1879 - 146 pages
...one another. 1 6. And this point is called the centre of the circle. 17. 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 drawn from the centre to the circumference, and is therefore...

## Moffatt's pupil teachers' course (ed. by T. Page). Candidates, 2nd (-4th) year

Moffatt and Paige - 1879 - 426 pages
...one another. 16. And this point is called the centre of the circle. 1 7. A diameter of a circle is a straight line drawn through the centre and terminated both ways by the circumference. 1 8. A semicircle is the figure contained by a diameter and the part of the circumference...

## The Elements of Plane and Solid Geometry: With Chapters on Mensuration and ...

Isaac Sharpless - Geometry - 1879 - 282 pages
...lines are called radii, and this point is the centre of the circle. 32. A diameter of a circle is the straight line drawn through the centre, and terminated both ways by the cuctnnference. 33. A semicircle is the figure contained by the diameter and the part of the circumference...