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A solid angle is that which is made by the meeting of more than two plane angles, which are not in the same plane, in one point. X. ' The tenth definition is omitted for reasons given in the notes.
A Course of Mathematics: In Three Volumes : Composed for the Use of the ... - Page 80
by Charles Hutton - 1811

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

John Playfair, Euclid - 1804 - 468 pages
...ever fo far. •'•••• '•.••-•'• . " . ovin. * A folid angle is an angle made by the meeting of more than two plane angles, which are not in the fame plane, in one point, '• . • ....... . . . PROP. I. THE OR. o INE part of a ftraight line cannot...

## The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - 1806 - 546 pages
...another though produced. IX. A solid angle is that which is made by the meeting of more than See N. two plane angles, which are not in the same plane, in one point. X. < The tenth definition is omitted for reasons given in the notes.' See N. See N Similar solid figures...

## A Course of Mathematics ...: Designed for the Use of the Officers ..., Volume 1

Isaac Dalby - 1807 - 476 pages
...are every where at an equal perpendicular distance. 112. A solid angle is that which is made by the meeting of more than two plane angles, which a.re not in the same plane, in one point. BEFINITIONS. 114. A. Prism is a solid whose ends are parallel, equal, and like plane figures, and its...

## The Critical Review: Or, Annals of Literature

1808 - 606 pages
...formed with re-entering angles. The second definition, •a solid angle is that which is made by the meeting of more than two plane angles, which are not in the same plane, in one point,' certainly does not expressly exclude a pyramid with re-entering angles. But Mr. Lax observes, and we...

## The Eclectic review. vol. 1-New [8th], Volume 7, Part 2

1811 - 600 pages
...may be best stated in his own words. ' A solid angle is defined by Euclid, that which is made by the meeting of more than two plane angles, which are not in the same plane, ia one point. ' Others define it the angular space comprized between several planet meeting in one...

## A Course of Mathematics: For the Use of Academies as Well as ..., Volume 2

Charles Hutton - 1812 - 624 pages
...A'ature and Measure of Solid Angles. A Solid Angle is defined by Euclid, that which is made by the meeting of more than two plane angles, which are not...between several planes meeting in one point. It may be denned still more generally, the angular space included between several plane surfaces or one ormore...

## A Course of Mathematics: In Two Volumes : for the Use of Academies ..., Volume 2

Charles Hutton - 1816 - 618 pages
...Nature and Measure of Solid Jtngles. A Solid Angle is defined by Euclid, that which is made by the meeting of more than two plane angles, which are not...It may be defined still more generally, the angular sfiacr Included between several plane surfaces or one or more curved surfaces, meeting in the point...

## Elements of Plane and Spherical Trigonometry: With Their Applications to ...

Olinthus Gregory - 1816 - 276 pages
...is defined by Euclid, that which is made by the meeting of more than two plane angles, which are net in the same plane, in one point. Others define it the angular space comprised between several planes meeting in one point. It may be defined still more generally, the...