 | Nathan Daboll - 1839 - 220 pages
...is an edifice whose height is 50 feet, and the width of the street running by it is 36 feet. What is the length of a ladder that •will reach from the opposite side of the street to the top of the edifice ? 502=2500, and 362=1296. Then v2500-(-1296 Ans. 61,6ft.+ 2. Suppose... | |
 | John Husband (math. master, Berwick.) - 1841 - 126 pages
...Ans. 5555. 28. A wall is 52 feet high, and a ditch before it is 39 feet wide ; find the length of the ladder that will reach from the opposite side of the ditch to the top of the wall. Ans. 65 feet. 29. How long must a ladder be to reach to a window 47 feet high, when the bottom of the ladder... | |
 | Nathan Daboll - Arithmetic - 1843 - 254 pages
...is an edifice whose height is 50 feet, and the width of the street running by it is 36 feet. What is the length of a ladder that will reach from the opposite side of the street to the top of the edifice 7 502=2500, and 362=1296. Then v'2500+1296 Ans. Gl,6ft.-{2. Suppose... | |
 | Horatio Nelson Robinson - Arithmetic - 1845 - 310 pages
...RIGHT-ANGLED TRIANGLE. 1. The top of a castle is 45 yards high, and is surrounded with a ditch 60 yards wide ; required the length of a ladder that will reach from the outside of the ditch to the top of the castle. .///.•.. 75 yards. This is almost invariably done... | |
 | Nathan Daboll, David Austin Daboll - Arithmetic - 1849 - 260 pages
...is an edifice whose height is 50 feet, and the width of the street running by it is 36 feet. What is the length of a ladder that will reach from the opposite side of the street to the top of the edifice ? 502=2500, and 362=1296. Then v^SOO+1296 Ans. 61,6ft.-f2. Suppose... | |
 | Arithmetic - 1853 - 266 pages
...Right-angled Triangle. 1 The top of a castle is 45 yards high, and is surrounded with a ditch 60 yards wide ; required the length of a ladder that will reach from the outside of the ditch to the top of the castle. Ans. 75 yards. This is almost invariably done by squaring... | |
 | Charles Haynes Haswell - Measurement - 1858 - 350 pages
...— If a tower 30 feet in height is on the side of a river which is 40 feet in width, what must be the length of a ladder that will reach from the opposite side of the river to the top of the tower ? Operation. — Set the slide even at both ends, and over 30 upon D... | |
 | Hoy D. Orton - Mathematics - 1866 - 202 pages
...Right-angled Triangle. 1. The top of a castle is 45 yards high, and is surrounded with a ditch, 60 yards wide ; required the length of a ladder that will reach from the outside of the ditch to the top of the castle. Ans. 75 yards. This is almost invariably done by squaring... | |
 | Hoy D. Orton - Ready-reckoners - 1871 - 202 pages
...Right-angled Triangle. 1. The top of a castle is 45 yards high, and is surrounded with a ditch, 60 yards wide ; required the length of a ladder that will reach from the outside of the ditch to the top of the castle. Ans. 75 yards. This is almost invariably done by squaring... | |
 | William Frothingham Bradbury - Arithmetic - 1879 - 446 pages
...21. A wall 26 feet high has in front of it a ditch 14 feet wide. How long a ladder will it take to reach from the opposite side of the ditch to the top of the wall? 22. What is the length of the longest rod that, without bending, can be put into a box whose inner... | |
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Problems on the Right-angled Triangle. 1. The top of a castle is 45 yards high, and is surrounded with a ditch, 60 yards wide ; required the length of a ladder that will reach from the outside of the ditch to the top of the castle. 
