 | Robert Simson - Trigonometry - 1762 - 488 pages
...another. VIII. Parallel planes are fuch which do not meet one another tho' pro. duced'. IX. A folid angle is that which is made by the meeting of more than two See N. plane angles, which are not in the fame plane, in one point. X. ' The tenth Definition is omitted... | |
 | Joseph Fenn - Mathematics - 1769 - 536 pages
...which are contained by the fame number of equal, fimilar and homologous furfaces. XI. A folid Angle (A) is that which is made by the meeting of more than two plane angles (ВАС, С AD & В AD), which are not in the fame plane, in one point (A). XII. A Pyramid (EBADF)... | |
 | Robert Simson - Trigonometry - 1781 - 534 pages
...one another. VIII. Parallel planes are fuch which do not meet one another tho' produced. ix. A folid angle is that which is made by the meeting of more than Sec N. two plane angles, which are not in the fame plane, in one point. X. * The tenth Definition is... | |
 | John McGregor (teacher of mathematics.) - Mathematics - 1792 - 532 pages
...figures that have length, breadth, and thiclcnefs. 2. The boundaries of folids are fuperficies3. A folid angle is that which is made by the meeting of more than t\vo plane angles in the fame point, and which are not in the fame plane. 4. Similar folids arc fuch... | |
 | Euclid, John Playfair - Euclid's Elements - 1795 - 462 pages
...VII. A Solid is that which has length, breadth, and thicknefs. r, i VHL i ; 'i .! a See N. A folid angle is that which is made by the meeting of more than two plane angles, whicfy are not in the fame plane, in one point. See N. Similar folid figures are fuch- -as are contained... | |
 | Benjamin Donne - 1796 - 120 pages
...other part, viz. that next the bafe, is called the jRr!//?«/wofthepyramid or cone. See Card 46. n. A Solid Angle is that which is made by the meeting of three or more planes. 12. Similar Solids are thofe which are contained by equal numbers of fimilar... | |
 | Alexander Ingram - Trigonometry - 1799 - 374 pages
...See N. ber of fimilar planes haying the fame inclination to one another. X. Omitted. Sce NXI. A folid angle is that which is made by the meeting of more than gee j^ two plane angles, which are not in the fame plane, in one point, the inclinations of all the... | |
 | 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... | |
 | Robert Simson - Trigonometry - 1804 - 530 pages
...one another. VIII. Parallel planes are fuch which do not meet one another tho' produced. IX. A folid angle is that which is made by the meeting of more than See N. two plane angles, which are not in the fame plane, in one point. X. « The tenth Definition... | |
 | Robert Simson - Trigonometry - 1806 - 546 pages
...equal to one another. VIII. Parallel planes are such which do not meet one 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... | |
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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. 
