 | 1852 - 202 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... | |
 | 1852 - 196 pàgines
...is the height of the fort? Ans. 14.142-f 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... | |
 | Charles Davies - 1853 - 422 pàgines
...perpendicular 45 yards: what is the base? 3. A ladder 60 feet in length, will reach to a window 40 feet from the ground on one side of the street, and by turning it over to the other side, it will reach a window 50 feet from the ground: required the breadth of the street.... | |
 | Charles William Hackley - 1853 - 526 pàgines
...10 inches above the ground ? Ans. 26 feet 3 inches. (16.) Suppose that a ladder, 40 feet long, will reach a window 33 feet from the ground on one side of a street, and on being turned over, without moving the foot, it will reach a window 21 feet high on... | |
 | James Gray - 1854 - 120 pàgines
...cloth, how much will | of a yd. cost ? Ans. 9s. 4¿c?. 41. A ladder 40 feet long may be so placed as to 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... | |
 | John Radford Young - 1855 - 218 pàgines
...100 miles off, what must be the diameter of the earth ' K(7) 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 ; and upon being turned over, the foot of it remaining in the same place, it will reach a window on the opposite... | |
 | Charles Davies - 1855 - 340 pàgines
...53 yards, and tne perpendicular 45 yards : what is the base 1 Ans. 28 yds. Mensuration of Surfaces. feet from the ground on one side of the street, and by turning it over to the other side, it will reach a window 50 feet from the ground : required the breadth of the street.... | |
 | Elias Loomis - 1859 - 218 pàgines
...inches beyond the stream ? Am. 530 feet 5 inches. Prob. 10. A ladder 40 feet long may be so placed that it shall reach a window 33 feet from the ground...street, 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... | |
 | Elias Loomis - 1859 - 372 pàgines
...inches beyond the stream ? Ans. 530 feet 5 inches. Prob. 10. A ladder 40 feet long may be so placed that it shall reach a window 33 feet from the ground...street, 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 Davies - 1863 - 436 pàgines
...tne p«r pendicular 45 yards : what is the base ? Ans. 28 yds. .Mensuration of Surfaces. feet horn the ground on one side of the street, and by turning it orer to the other side, it will reach a window 50 feet from the ground : required the breadth of the... | |
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A ladder, 40 feet long, can be so planted, that it shall reach a window 33 feet from the ground, on one side of the street; and by turning it over, without moving the foot, it will do the 
