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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 System of Plane and Spherical Trigonometry: To which is Added a Treatise ... - Page 252
by Richard Wilson - 1831 - 330 pages

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

John Playfair, Euclid - Circle-squaring - 1804 - 468 pages
...produced 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 - Trigonometry - 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 - Mathematics - 1807 - 476 pages
...each other, or 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

English literature - 1808 - 606 pages
...* pyramid 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...

## A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - Mathematics - 1811 - 404 pages
...SCHOLIUM. On the Nature and Measure of Solid jingles. 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, in one point. Others define it the angular space comprized between several planes meeting in one point. It may be...

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

1811 - 600 pages
...unobjectionable, 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: In Three Volumes : Composed for the Use of the ...

Charles Hutton - Mathematics - 1811 - 424 pages
...the Nature and Measure of Solid Angles. A Solid angle is defined by Euclid, that which is made by ^he meeting of more than two plane angles, which are not in, the same plane, in one point. Others define it the angular space comprized between several planes meeting in one point. It may be...

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

Charles Hutton - Mathematics - 1812 - 624 pages
...SCHOLIUM. On the 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 in the same plane, in one point. Others define it the angular space comprized between several planes meeting in one point. It may be...