 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.  Mensuration for pupil teachers - Page 22by James Elliot - 1879 - 106 pagesFull view - About this book
 | Charles Davies - 1863 - 436 pages
...53 yards, and tne per pendicular 45 yards : what is the base 1 Ans- 28 ydsMensurat1on 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.... | |
 | Alfred Challice Johnson - Plane trigonometry - 1865 - 166 pages
...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... | |
 | C. Davies - 1867 - 342 pages
...yards, and tne per pendicular 45 yards : what is the base ? Ans- 28 ydsMensuration of Surfacesfeet 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 streetAns... | |
 | Lefébure de Fourcy (M., Louis Etienne) - Trigonometry - 1868 - 350 pages
...of ladder, 78.4 feet. 5. 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 same by a window 21 feet high, on the other side ; what is the breadth... | |
 | Alfred Challice Johnson - Spherical trigonometry - 1871 - 178 pages
...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 18-9 feet... | |
 | Henry William Jeans - 1873 - 292 pages
...they refer. [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... | |
 | Elias Loomis - Conic sections - 1877 - 458 pages
...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 on one side of the 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 Bide. Required... | |
 | Thomas Hunter - Geometry, Plane - 1878 - 142 pages
...ladder 50 feet long being placed in a street reached a window 28 feet from the ground on one side; and by turning it over, without removing the foot, it reached another window 36 feet high on the other side: required the width of the street. Ans. 76.11 feet. PROBLEM V. To find... | |
 | George Albert Wentworth - Trigonometry - 1882 - 160 pages
...to the window ? 70. A ladder 40 feet long may be so placed that it will reach a window S3 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.... | |
 | James Gray - Arithmetic - 1883 - 154 pages
...f of a yd. cost ? Ans: 9s. 4^d. 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... | |
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