 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 - Pàgina 108per Lefébure de Fourcy (M., Louis Etienne) - 1868 - 288 pàginesVisualització completa - Sobre aquest llibre
 | Charles Hutton - 1822 - 616 pàgines
...bl. 16s. (>[il. QUEST. 7. 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... | |
 | Stephen Pike - 1824 - 212 pàgines
...the height of the :brt ? Ans. 14.142+ 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 on the other side 21 feet high; what is the breadth... | |
 | Etienne Bézout - 1824 - 238 pàgines
...height of the fort? Ans: 14,142, &c. yards. S0. Suppose a ladder 40 feet longT 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 on the other side 21 feet high ; what is the breadth... | |
 | William Kinne - 1829 - 246 pàgines
...hypotenuse, is always the length of the other leg. EXAMPLES. 1. A ladder 40 feet long may be so planted as to reach a window 33 feet from the ground, on one side of the street ; and, without mo»ing it at the foot, will do the same by a window 21 feet high on the other side ; how wide... | |
 | Charles Hutton - 1831 - 660 pàgines
...inches from the ground ?. . Ans. 26 feet 3 inches. EXAM, vin. A ladder, 40 feet long, can be so placed, that it shall reach a window 33 feet from the ground,...; and by turning it over, without moving the foot out of its place, it will do the same by a window 21 feet high, on the other side : required the breadth... | |
 | Charles Hutton - 1831 - 632 pàgines
...inches 1'rom the ground ? Ana. 26 feet 3 inches. EXAM. vin. A ladder, 40 feet long, can be so placed, that it shall reach a window 33 feet from the ground, on one side of the street ; iind by turning it over, without moving the foot out of its place, it will do the same by a window... | |
 | William Kinne - 1831 - 248 pàgines
...hypotenuse, is always the length of the other leg. EXAMPLES. 1. A ladder 40 feet long may 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 do the same by a window 21 feet high on the other side ; how wide... | |
 | Ireland commissioners of nat. educ - 1834 - 370 pàgines
...is allowed to feed on just an acre of grass ? Ans. 117 feet 9 inches. 6. A ladder, 40 feet long, may be so planted, that it shall reach a window 33 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 21... | |
 | Stephen Pike - 1835 - 210 pàgines
...is the height of the fort? Ans. 14.142+ yards. 8. 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 on the other side 21 feet high; what is the breadth... | |
 | James L. Connolly (mathematician.) - 1835 - 264 pàgines
...much water? Ans. 6 hours. . 94. Suppose a ladder 60 feet long be so placed, as to reach a window 37 feet from the ground, on one side of the street, and by moving or turning the ladder, (not at the foot,) over. will reach a window 28 feet high, on the other... | |
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