| Robert Simson - Trigonometry - 1762 - 466 pages
...lines be proportionals, the rectangle ^ contained by the extremes is equal to the fquare of' the mean: **and if the rectangle contained by the extremes be equal to the** fquare of the mean, the three ftraigho lines are proportionals. Let the three ftraight lines A, B,... | |
| Robert Simson - Trigonometry - 1775 - 520 pages
...lines be proportionals, the rectangle contained by the extremes is equal to the fquare of fhe mean : **And if the rectangle contained by the extremes be equal to the** fquare of the mean, the three flraight lines are proportionals. Let the three ftraight lines A, B,... | |
| Euclid - 1781 - 550 pages
...lines he proportionals, the reflangle contained by the extremes is equal to the re&angle contained by **the means : And if the rectangle contained by the...to the rectangle contained by the means, the four** ftrargbt lines are proportionals. Let the four ftraight lines, AB, CD, E, F be proportionals, viz.... | |
| Robert Simson - Trigonometry - 1781 - 466 pages
...lines be proportionals, the rectangle contained by the extremes is equal to the rectangle contained by **the means. and if the rectangle contained by the extremes be equal to the** reclangle contained by the means, the four ftraight lines are proportionals. • Let the four ftraight... | |
| Euclid, James Williamson - Euclid's Elements - 1781 - 324 pages
...proportionals ; the rectangle contained by the extremes is equal to the fquare of the mean proportional:. **and if the rectangle contained by the extremes be equal to the** fquare of the mean term, the three ftraight lines will be proportionals. Let the three ftraight lines... | |
| Alexander Ingram - Trigonometry - 1799 - 351 pages
...lines be proportionals, the reftangle contained by the extremes is equal to the fquare of the mean : **And if the rectangle contained by the extremes be equal to the** fquare of the mean, the three ftraight lines are proportionals. Let the three ftraight lines A, B,... | |
| John Playfair - Euclid's Elements - 1804 - 470 pages
...lines be proportionals, the reflangle contained by the extremes is equal to the fquarc of the mean : **And if the rectangle contained by the extremes be equal to the** fquare of the mean, the three ftraight lines are proportionals. ' Let the three ftraight lines A, B,... | |
| Robert Simson - Trigonometry - 1804
...lines be proportionals, the re&angle contained by the extremes is equal to the fquare of the mean : **and if the rectangle contained by the extremes be equal to the** fquare of the mean, the three ftraight lines arc proportionals. Let the three ftraight lines A, B,... | |
| Robert Simson - Trigonometry - 1806 - 518 pages
...lines be proportionals, the rectangle contained by the extremes is equal to the rectangle contained by **the means : and if the rectangle contained by the...AB, F is equal to the rectangle contained by CD, E.** > a 11. 1. From the points A, C draw » AG, CH at right angles to AB, CD ; and make AG equal to F,... | |
| John Playfair - Euclid's Elements - 1806 - 320 pages
...lines be proportional, the rectangle contained by the extremes is equal to the rectangle contained by **the means ; and if the rectangle contained by the...contained by the means, the four straight lines are** proportional. Let the four straight lines AB, CD, E, F be proportional, AB to CD as E to F ; the rectangle... | |
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