 | Charles Davies - 1864 - 358 pàgines
...53 yards, anu tne per pendicular <15 yards: what is the base? Ans. 28 yds. Mensuration of Surfaces. feet from the ground on one side of the street, and by tiirninj; it over to the other side, it will reach a window 50 feet from the ground : required the... | |
 | Alfred Challice Johnson - 1865 - 166 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 i8'9 feet... | |
 | C. Davies - 1867 - 342 pàgines
...53 yards, and tne per pendicular 45 yards : what is the base ? 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.... | |
 | Charles Davies - 1870 - 392 pàgines
...yards, and the per pendicular 45 yards : what is the base ? Ans. 28 yds. Mensuration of Surfaces. feel 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.... | |
 | Alfred Challice Johnson - 1871 - 178 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... | |
 | Henry William Jeans - 1873 - 292 pàgines
...Ans. 75 feet. [6]. (Fig. 19.) 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 out of its place, it will reach another window 18'9 feet... | |
 | James Elliot - 1879 - 118 pàgines
...the shaft? Ans. 21-4 +feet. G. 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 : the breadth of the street... | |
 | George Albert Wentworth - 1882 - 160 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 - 1882 - 234 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 - 1882 - 232 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.... | |
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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 
