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A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
A Treatise of Plane Trigonometry, and the Mensuration of Heights and ... - Página 19
por Jeremiah Day - 1848 - 153 páginas
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## Euclid, book i., propositions i. to xxvi., with exercises and alternative ...

Euclides - 1877
...is the 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...
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## Natural Philosophy for Beginners: With Numerous Examples, Parte1

Isaac Todhunter - 1877 - 440 páginas
...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...
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## The Practical Arithmetic on the Inductive Plan: Including Oral and Written ...

William James Milne - 1877 - 391 páginas
...circle. 564. A Radius of a circle is a straight line drawn from the center to the circumference. 565. A Diameter of a circle is a straight line drawn through the center and terminating at both ends in the circumference. 566. The Base of a figure is the side on...
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## Elementary geometry

James Maurice Wilson - 1878
...Def. 9. A radius of a circle is a straight line drawn from the centre to the circumference. Def. 10. A diameter of a circle is a straight line drawn through...centre and terminated both ways by the circumference. Def. ir. When two straight lines are drawn from the same point, they are said to contain, or to make...
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## The elements of plane geometry, from the Sansk. text of Ayra Bhatta, ed. by ...

Āryabhaṭa - 1878
...[•Figure ABCI) : Prop. 1. is a 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...
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## First B.A. Examination, University of London: A Hand-book to the Study of ...

J. G - 1878 - 372 páginas
...of 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...
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## Spherical Trigonometry, for the Use of Colleges and Schools: With Numerous ...

Isaac Todhunter - 1879 - 158 páginas
...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....
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## Euclid, books i. & ii., with notes, examples, and explanations, by a late ...

Euclides - 1879
...circumference, are equal to 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...by the circumference. [A radius is a straight line drawn from the centre to the circumference, and is therefore half the diameter.] 1 8. A semicircle...
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## Moffatt's pupil teachers' course (ed. by T. Page). Candidates, 2nd (-4th) year

Moffatt and Paige - 1879
...circumference are equal to 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...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 cut off by...
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## First grade. Practical geometry

David Bain - 1879 - 32 páginas
...centre. 27. A Radius (plural radii) is any straight line drawn from the centre to the circumference. 28. A Diameter of a circle is a straight line drawn through the centre, and terminated at both ends by the circumference. The diameter, which is equal to twice the radius, divides the circle...
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