 | Alfred Challice Johnson - 1882 - 182 pàgines
...Ans. 7-4 knots per hour. 10. A ladder 36 feet long may be so placed that it shall reach a window 307 feet from the ground, on one side of the street, and by only turning it over, without moving the foot from its place, it will reach another window l8'9 feet... | |
 | James Gray - 1883 - 154 pàgines
...cloth, how much will | of a yd. cost ? Ans. 9s. 4^rf. 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... | |
 | George Albert Wentworth - 1884 - 330 pàgines
...to the window ? 70. 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. 71.... | |
 | Arthur Douglas Capel - 1885 - 434 pàgines
...without squaring 16 or its half. 44. A ladder 50 feet long being placed in a street, reached a window 48 feet from the ground on one side of the street, and by turning it over, without removing the foot, it reached another window 40 feet high on the other side. Find the breadth of the... | |
 | Alfred Challice Johnson - 1885 - 180 pàgines
...Ans. 7-4 knots per hour. 10. A ladder 36 feet long may be so placed that it shall reach a window 30- 7 feet from the ground, on one side of the street, and by only turning it over, without moving the foot from its place, it will reach another window 18'9 feet... | |
 | Charles Davies - 1886 - 352 pàgines
...53 yards, and the per pendicnlar 45 yards : what is the base ? Anx. 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 Oif ground : required the breadth of the street.... | |
 | George Albert Wentworth - 1887 - 346 pàgines
...to the window ? 70. 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. 71.... | |
 | George Albert Wentworth - 1887 - 206 pàgines
...to the window ? 70. 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. 71.... | |
 | George Albert Wentworth - 1887 - 372 pàgines
...to the window ? 70. 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. 71.... | |
 | George Albert Wentworth - 1887 - 200 pàgines
...1.31974 e = 20.88. 70. 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. cos... | |
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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 
