 A ladder 70 feet long is so planted as to reach a window 40 feet from the ground, on one side of the street, and without moving it at the foot, will reach a window 30 feet high on the other side ; what is the breadth of the street ? Ans.  Plane and Spherical Trigonometry ... - Page 73by Henry W. Jeans - 1842Full view - About this book
 | Benjamin Greenleaf - Arithmetic - 1841 - 334 pages
...from the ground, on one side of the street, and without moving it at the foot, will reach a window 30 feet high on the other side ; what is the breadth of the street ? Ans. 120.69-j-feet. 45. If an iron wire, js inch in diameter, will sustain a weight of 450 pounds... | |
 | James Wharton - 1847 - 224 pages
...ground, on one side ; and by turning it over, without removing the bottom, it reached another window 35 feet high, on the other side ; what is the breadth of the street ? Ans. 67 -79695 feet. 10. How many acres are there in a triangle whosfe sides are 2569, 4900, and... | |
 | Benjamin Greenleaf - Arithmetic - 1850 - 368 pages
...the ground, on 'One side of the street, and without moving it at the foot it will reach a window 30 feet high on the other side ; what is the breadth of the street ? 36. The height of a tree, growing in the centre of a circular island, 100 feet in diameter, is 160... | |
 | John Hind - 1856 - 346 pages
...103.44 feet long be placed so as to reach a window 40 feet high on one side of a street and a window 60 feet high on the other side: what is the breadth of the street? Answer : 180 feet, nearly. (5) Of two ships from the same port one has sailed 50 leagues due east and... | |
 | Benjamin Greenleaf - Arithmetic - 1857 - 452 pages
...the ground, on one side of the street, and without moving it at the foot it will reach a window 30 feet high on the other side ; what is the breadth of the street ? I ^fi' ', 20. If an iron wire ^ of an inch in diameter will sustain a weight of 450 pounds, what... | |
 | Charles Haynes Haswell - Measurement - 1858 - 350 pages
...from the ground on one side of a street, and without removing it at the foot, will reach a window 30 feet high on the other side ; what is the breadth of the street ? Ans. 120.6911. 28. If a tree stand on a horizontal plane 80 feet in height, at what height from the... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 456 pages
...the ground, on one side of the street, and without moving it at the foot it will reach a window 30 feet high on the other side ; what is the breadth of the street ? 20. If an iron wire ^ of an inch in diameter will sustain a , weight of 450 pounds, what weight might... | |
 | Anthony Nesbit - Measurement - 1859 - 494 pages
...ground, on one side ; and by turning it over, without removing the bottom, it reached another window 35 feet high, on the other side ; what is the breadth of the street ? Ans. 67.79695 feet. 7. A castle wall there was, whose height was found To be 100 feet from th' top... | |
 | Horatio Nelson Robinson - Arithmetic - 1860 - 444 pages
...from the ground on one side of the street, and without moving the foot, will reach -a window 40 ft. high on the other side; what is the breadth of the street ? ^ 0 4. What is the distance through a cubical block, measured from one corner to the opposite diagonal... | |
 | Henry Pix - 1861 - 116 pages
...ft. long is placed so as to reach a window 40 ft. high on one side of a street, and a window 60 ft. high on the other side ; what is the breadth of the street ? 5. A ship worth £860 being entirely lost, of which l belonged to A., J to B., and the rest to C.,... | |
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