 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 feet high on the other side. Required...  Plane and Spherical Trigonometry ... - Page 73by Henry W. Jeans - 1842Full view - About this book
 | Christian biography - 1836 - 436 pages
...1 10 2 11 3 12 4 13 5 14 6 15 7 16 8 17 9 18 27 36 19 20 21 22 23 24 25 26 28 29 30 31 32 33 34 35 street ; and by only 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 of the street 1" The following... | |
 | Commissioners of National Education in Ireland - Measurement - 1837 - 290 pages
.... 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...without moving the foot out of its place, it will do the same by a window 21 feet high o» the other side ; what is the breadth of the street ? Ans.... | |
 | 1837 - 486 pages
...may bo so placed as to reach a window thirty-three feet from the ground on one side of the streets ; and by only turning it over, without moving the foot out of its place, it will do the same by a window twenty-one feet high on the other side. Required the breadth of the street... | |
 | 1837 - 490 pages
...may be so placed as to reach a window thirty-three feet from the ground on one side of the streets ; and by only turning it over, without moving the foot out of its place, it will do the same by a window twenty-one feet high on the other side. Required the breadth of the street... | |
 | Thomas Dick - 1840 - 454 pages
...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...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 of the street"!" The following... | |
 | Charles Davies - Geometrical drawing - 1840 - 262 pages
...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... | |
 | J. M. Scribner - Measurement - 1844 - 130 pages
...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... | |
 | Charles Davies - Geometrical drawing - 1846 - 254 pages
...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... | |
 | James Wharton - 1847 - 224 pages
...Ans. £5 16s. 0^rf. 7. 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,...without moving the foot out of its place, it will do the same by a window 18 '9 feet high on the other side; what is the breadth of the street, and the... | |
 | Thomas Dick - 1850 - 520 pages
...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...without moving the foot out of its place, it will do the same by a window 2 1 feet high on the other side. Required the breadth of the street 7" The... | |
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