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" The top of a castle from the ground is 45 yards high, and is surrounded with 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. "
Taplin's improved edition of Walkingame's Tutor's assistant. To which is ... - Seite 148
von Francis Walkingame - 1835
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The Arithmetical Magazine, Or, Mercantile Accountant: Adapted to the ...

William M. Finlay - 1803 - 272 Seiten
...of their difference for the side required. EXAMPLE. A castle 45 yards high, is surrounded by a fosse 60 yards broad : What length must a ladder be to reach from the outside of the fosse to the top of the wall ? Ana. 75 yarda. Suppose a light-house built on the top of a rock, the...
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A New System of Mercantile Arithmetic: Adapted to the Commerce of the United ...

Michael Walsh - 1807 - 290 Seiten
...EXAMPLES. 8. The top of a castle from the ground is 45 yards high, anrl is surrounded with a ditch £>0 yards broad ; what length must a ladder be to reach...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...
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The Teachers Assistant. Or, A System of Practical Arithmetic: Wherein the ...

1811 - 210 Seiten
...of a certain 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. Ditch, * 5. A certain castle which is 45 yards high, is surrounded by a ditch...
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A New System of Mercantile Arithmetic: Adapted to the Commerce of the United ...

Michael Walsh - 1816 - 288 Seiten
...EXAMPLES. 8. The top of a castle from the ground is 45 yards high, and is surrounded with a ditch 60 yard» broad ; what length must a ladder be to reach from the outside of the ditch to the top of the eastle ? Ans. 7 S yards. Base 60 yards. a. The Wall of a town is S5 feét hiçh. which--is surrounded...
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The Teachers' Assistant, Or, A System of Practical Arithmetic: Wherein the ...

1817 - 214 Seiten
...of a certain 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 fhe top of the wall ? Ans. 26.24+feet. 6. A certain castle which is 45 yards high, is surrounded by...
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The Scholar's Guide to Arithmetic: Being a Collection of the Most Useful ...

Phinehas Merrill - 1819 - 116 Seiten
...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....
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The Teachers' Assistant: Or a System of Practical Arithmetic

Stephen Pike - 1824 - 212 Seiten
...top of the wall? Ans. 26.24+feet. Ditch. 5. A certain castle 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 xip of the castle ? Ans. 75 yards. 6. A line 27 yards long, will exactly reach from the ;op of a fort...
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Elements of Arithmetic

Etienne Bézout - 1824 - 238 Seiten
...which is 45 yarels 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. • NOTE. This diagram is called a right angled triangle ; and the square of the hypothenuse,...
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The Arithmetical Catechism, Compiled from Various Authors, for the Use of ...

Henry Jackson - 1824 - 172 Seiten
...«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. *The base and perpendicular are sometimes called...
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The Mercantile Arithmetic, Adapted to the Commerce of the United States, in ...

Michael Walsh - 1828 - 318 Seiten
...hypotenuse. EXAMPLES. 1. The top of a castle from the ground is 45 yards high, and is surrounded with a Hitch 60 yards broad; what length must a ladder be to reach from the outside of (he ditch to the top of the castle ? Ans. 75 yards, 2. The wall of a town is 25 feet high, which is...
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