 | E. C. Tyson - 1840 - 374 pàgines
...1662405 1108270 3324810 25. A ladder 30 feet long, may be so placed that it shall reach a window 20 feet from the ground, on one side of the street ; and by turning it over, without removing the foot, it will reach a window 24 feet high, on the other side of the street. What is the... | |
 | Charles Davies - 1840 - 262 pàgines
...yards: what is the base ? Ans. 28 yards. % 4. A ladder 60 feet in length, will roach to a window 40 feet from the ground on one side of the street, and by turninsr it over to the other side, it will reach a window 50 feet from the ground: required the breadth... | |
 | Commissioners of National Education in Ireland - 1841 - 286 pàgines
...capacity as the former, whose depth is only 7\ inches. Ans. 19•107 inches. 5. 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... | |
 | John M'Nevin - 1841 - 300 pàgines
...from a poinr one mile above the level of the sea. 2. 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 (LL.D.) - 1844 - 262 pàgines
...yards : what is the base ? Ans. 28 yards. 4. 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.... | |
 | J. M. Scribner - 1844 - 130 pàgines
...is the length of the base 1 Ans. 28 yds. Ex. 4. A ladder 50 feet in length will reach to a window 30 feet from the ground on one side of the street, and by turning it over to the other side, it will reach a window 40 feet from the ground ; required the breadth of the street.... | |
 | Thomas Dick - 1845 - 752 pàgines
...on the subject, in the book from which it is taken. " 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... | |
 | 1845 - 260 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... | |
 | 1845 - 196 pàgines
...ditch to the top of the castle ? Ans. 75 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 - 1846 - 254 pàgines
...45 yards : what is the base ? Ans. 28 yds. 4. 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.... | |
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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 
