| Euclides - 1845 - 546 pages
...one another though produced. IX. A solid angle is that which is made by the meeting, in one point, **of more than two plane angles, which are not in the same plane.** X. Equal and similar solid figures are such as are contained by similar planes equal in number and... | |
| Euclid, John Playfair - 1846 - 334 pages
...one another, which do not meet, though produced ever so far. 8. A solid angle is an angle made by the **meeting of more than two plane angles, which are not in the same plane in one point.** PROP. I. THEOR. One part of a straight line cannot be in a plane and another part above it. If it be... | |
| Euclides - 1846 - 292 pages
...meet one another though produced. ix. A solid angle is that which is made by the meeting in one point **of more than two plane angles, which are not in the same plane.** x. Equal and similar solid figures are such as are contained by similar planes equal in number and... | |
| W. M. Buchanan - 1846 - 768 pages
...adjacent angles, because one leg, AD, is common to both. A solid angle is "formed by the meeting of **two plane angles, which are not in the same plane, in one point."** — Euclid. Solid angles do not, like other subjects of geometrical investigation, admit of accurate... | |
| Samuel Hunter Christie - 1847 - 172 pages
...faces, and DC is the edge of the dihedral angle MDCA. 12. 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.** It is called a Trihedral angle, a Tetrahedral angle, a Pentahedral angle, &c., according as it is made... | |
| Euclides - 1848 - 52 pages
...one another though produced. IX. A solid angle is that which is made by the meeting, in one point, **of more than two plane angles, which are not in the same plane.** X. XI. Similar solid figures are such as have all their solid angles equal, each to each, and are contained... | |
| Euclides - 1855 - 230 pages
...ever so far in every direction. 7. A SOLID ANGLE is that which is made by the meeting in one point **of more than two plane angles, which are not in the same plane.** 8. EQUAL AND SIMILAR SOLID FIGURES, CBED, HGLK, are such as are contained by similar planes equal in... | |
| Eucleides - 1860 - 396 pages
...ever so far in every direction. 7. A SOLID ANGLE is that which is made by the meeting in one point **of more than two plane angles, which are not in the same plane.** 8. EQUAL AND SIMILAB SOLID FIGUBES, CBED, HGLK, are suchas are contained by similar planes equal in... | |
| Benjamin Greenleaf - 1862 - 518 pages
...each other, the angle is right. 393. A POLTEDRAL ANGLE is an angle formed by the meeting at one point **of more than two plane angles, which are not in the same plane.** The common point of meeting of the planes is called the vertex, each of the plane angles a face, and... | |
| Benjamin Greenleaf - 1861 - 638 pages
...each other, the angle is right. 893. A rOLYEDRAL ANGLE IS an angle formed by the meeting at one point **of more than two plane angles, which are not in the same plane.** The common point of meeting of the planes is called the vertex, each of the plane angles a face, and... | |
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