| Michael Walsh - Arithmetic - 1807 - 290 pages
...is 45 yards high, anrl is surrounded with a ditch £>0 yards broad ; what length must a ladder be to reach from the outside of the ditch to the top of the castle î Ans. 75 yards. 3 3 u -3 31 Ditch. Базе 00 yards. p. The wall of a town is 25 feet high, which... | |
| Arithmetic - 1811 - 210 pages
...fortress is 17 feet high, which is surrounded by a ditch 20 feet in breadth ; how long must a ladder be to reach from the outside of the ditch to the top of the wall ? Ans. 26.24 + feet. . ' f 5. A certain castle which is 45 yards high, is surrounded by a ditch... | |
| Arithmetic - 1817 - 214 pages
...which is 45 yards high, is surrounded by a ditch 60 yards broad ; what length must a ladder be. to reach from the outside of the ditch to the top of the castle ? Ans. 75 yards. 6. A line 27 yards lonsr, will exact!}' reach from the top of a fort to the opposite bank of a river,... | |
| Phinehas Merrill - Arithmetic - 1819 - 116 pages
...high, which is surrounded by a ditch of 20 fuet in breadth ; I demand the length of a ladder that shall reach from the outside of the ditch to the top of the wall ? Ans 26.2 ft-ct nearly. 5. How wany feet of boards will it take to cover a barn which is 76 ft.... | |
| Etienne Bézout - Mathematics - 1824 - 238 pages
...is 45 yards high, is surrounded by a ditch 60 yards broad ; what must be the length of a ladder to reach from the outside of the ditch to the top of the castle ? Ans. 75 yards. ri;;ht angted triangle ; and the square • NOTE. This diagram is called a is equal to the sum of the... | |
| Henry Jackson - Arithmetic - 1824 - 172 pages
...«fa town is 25 feet high, and it is surrounded by a ditch ; it requires a ladder 40 ft. in length to reach from the outside of the ditch to the top of the wall; what is the width of the d'tch ? Ar,s. 3i-l-ft. I MENSURATION OF PLANES. 155 CASE 8ti). t. Q.... | |
| Stephen Pike - Arithmetic - 1824 - 212 pages
...fortress is 17 feet high, which is surrounded by a ditch 20 feet in breadth; how long must a ladder be to reach from the outside of the ditch to the top of the wall? Ans. 26.24+feet. THE CUBE ROOT. 5. A certain castle which is 45 yards high, is surrounded by... | |
| Michael Walsh - Arithmetic - 1828 - 318 pages
...ground is 45 ynrds high, and is surrounded with a Hitch 60 yards broad; what length must a ladder be to reach from the outside of the ditch to the top of the castle ? Ans. 75 yards. 2. The wall of a town is 25 feet high, which is surrounded by a moat of 30 feet in breadth, I desire... | |
| Daniel Parker - Arithmetic - 1828 - 358 pages
...yards high, which is surrounded by a trench 49 yards wide : what must be the length of a ladder to reach from the outside of the ditch to the top of the fortress? Ans. 60,8+ yards. Л. A ladder, 75 feet in length, stands 45 feet from the base of a turret,... | |
| Martin Ruter - Arithmetic - 1828 - 180 pages
...in height, it is surrounded by a ditch 20 feet in breadth ; what must be the length of a ladder, to reach from the outside of the ditch to the top of the wall? Ans. 28J- fact. THE CUBE ROOT. The cube root of a given number, is such a number as being multiplied... | |
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