Books Books
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

## Elementary Mathematics: Embracing Arithmetic Geometry, and Algebra

Lewis Sergeant - 1873 - 182 pages
...the straight lines drawn from the centre to the circumference are called radiuses.t 36. A diameter of a circle is a straight line drawn through the centre, and terminated both, ways by the circumference. 37. "When a parallelogram is subdivided into four parts by straight lines parallel to the sides and...

## The Elements of Euclid, containing the first six books, with a selection of ...

Euclides - 1874 - 342 pages
...circumference, 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...diameter, and the part of the circumference cut off by ths diameter. 19. The centre of a semicircle is the same with that of the circle. 20. Rectilineal figures...

Walter Smith - Blackboard drawing - 1879 - 388 pages
...the opening of the compasses with which the circle was struck. Diameter of a Circle — -A diameter of a circle is a straight line drawn through the centre* and touching the circumference on both sides. (.See p. 107.) Thus the diameter is double the radius. It...

## Syllabus of Plane Geometry: (corresponding to Euclid, Books I-VI) ...

...radius of a circle is a straight line drawn from the centre to the circumference. DEF. io. h. diameter of a circle is a straight line drawn through the centre and terminated both ways by the circumference. [An angle is a simple concept incapable of definition, properly so called, but the nature of the concept...

## Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - Geometry, Plane - 1876 - 446 pages
...straight line drawn through the center, and terminated both ways by the circumference. . • -. . xvin. A semicircle is the figure contained by a diameter and the part *f the circumference cut on by the diameter. XIX. The center of a semicircle is the same with that...

## Natural philosophy for beginners

Isaac Todhunter - 1877 - 442 pages
...circle. A radius of a circle is a straight line drawn from the centre to the circumference. A diameter of a circle is a straight line drawn through the centre and terminated both ways by the circumference. An arc of a circle is any part of the circumference. 20. In Arts. 15. ..19 we have spoken of certain...

## Euclid, book i., propositions i. to xxvi., with exercises and alternative ...

Euclides - 1877 - 58 pages
...extremity of anything ; and a figure is that which is inclosed by one or more boundaries. 25. A diameter of a circle is a straight line drawn through the centre, and terminated both ways liy the circumference. 26. A semicircle is a figure contained by a diameter and the part of the circumference...

## Natural Philosophy for Beginners: With Numerous Examples, Part 1

Isaac Todhunter - Philosophy - 1877 - 452 pages
...radius of a sphere is a straight line drawn from the centre to the surface. A diameter of a sphere is a straight line drawn through the centre and terminated both ways by the surface. A sphere is sometimes called a globe : marbles and billiard balls are familiar examples of...