 A ladder 40 feet long may be so placed that it will reach a window 33 feet high on one side of the street, and by turning it over without moving its foot it will reach a window 21 feet high on the other side. Find the breadth of the street.  Elements of Trigonometry, Plane and Spherical - Page 108by Lefébure de Fourcy (M., Louis Etienne) - 1868 - 288 pagesFull view - About this book
 | William M. Finlay - Accounting - 1803 - 272 pages
...required ? Ans. height oj 'the rock 287.8 fathom. ofthehmsc 2.93 15+ cío. A ladder 40 feet long, reaches a window 33 feet from the ground on one side of the street ; but if raised, and laid against the opposite house without moving the foot, it will reach a window... | |
 | Charles Vyse - Arithmetic - 1806 - 342 pages
...was 140$ Yards (nearly). Required the Height of this stupendous Work ? (9) A Ladder 4O Feet long may be so planted that it shall reach a Window 33 Feet from the Ground on one Side the Street ; and without moving it at the Foot, will do the same by a Window 21 Feet high on the other... | |
 | Charles Hutton - Mathematics - 1807 - 464 pages
...5l. 16s. 0£<f. QUEST, 1. A ladder, 26y feet long, may be so planted, that it shall reach a window 22 feet from the ground on one sid.e of the street; and, by only turning it over, without moving the foot out of its place, it will do the same by a window 14... | |
 | James Thompson - Arithmetic - 1808 - 176 pages
...the rock to бй snid " 1'u-ght *ítk¡s *tti5)c;4d:ou-| wv-i. Base. 35. A ladder 40 feet long1 may be 'so planted, that it shall reach a window 33 feet from the ground ononesidethe street, and, without moving; it at the foot, will do the same by a window 21 feet high... | |
 | Charles Hutton - Mathematics - 1811 - 442 pages
...building, will support a jamb 23 feet 10 inches from the ground? Ans. 26 feet 3 inches. EXAM. vni. A ladder, 40 feet long, can be so planted, that it...window 33 feet from the ground, on one side of the streetj and by turning it over, without moving the foot out of its place, it will do the same by a... | |
 | Charles Hutton - Mathematics - 1811 - 494 pages
...51. 16s. Q^d. QUEST. 1. A ladder, 26|- feet long, may be so planted, that it shall reach a window 22 feet from the ground on one side of the street ; and, by only turning it over, without moving the foot out of its place, it will do the same by a window 14... | |
 | Charles Vyse - Arithmetic - 1815 - 340 pages
...140|- yards, nearly. Required the height of this stupendous rock. (•)) A ladder 40 feet long may be so planted that it shall reach a window 33 feet from the ground on one side the street ; and, without moving it at the foot, will do the same by a window 21 feet high on the other... | |
 | Charles Hutton - Mathematics - 1816 - 610 pages
...from the ground ? Ans. 26 feet 3 inches. EXAM. vin. A ladder, 40 feet long, can be so planted, tkat it shall reach a window 33 feet from the ground, on...street; and by turning it over, without moving the foot out of its place, it will do the same by a window 2 1 feet high, on the other side : required the breadth... | |
 | Arithmetic - 1817 - 214 pages
...the height of the fort ? Ans. 14.] 42-1- yards 7. Suppose a ladder 40 feet long, be so planted as to reach a window 33 feet from the ground, on one side of the street, and without moving it at the foot, will reach a window orí the other side 21 feet high ; what is the breadth... | |
 | Charles Hutton - Arithmetic - 1818 - 646 pages
...building, will support a jamb 23 feet 10 inches from the ground ? Ans. 26 feet 3 inches. EXAM. viii. A ladder, 40 feet long, can be so planted, that it...shall reach a window 33 feet from the ground, on one fide of the street ; and by turning it over, without moving the foot out of its place, it will do the... | |
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