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" Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) Cubic Measure 1728 cubic inches (cu. "
Shop Calculations ; Reading Working Drawings ; Measuring Instruments ... - Page 3
1914
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A New and Easy Introduction to the Mathematics: Containing. A system of ...

Ira Wanzer - Arithmetic - 1831 - 408 pages
..., ( Square Rod, 272 1 Square Feet, \ ( Perch,orPole, sq.rd. 40 Square Rods, 1 Rood, R. 4 Roods, or 160 square rods, 1 Acre, A. 640 Acres, 1 Square Mile, sq. m. Also, 10000 Square Links, or ) , , o, «• • ,„ ,,H i. it make 1 Square Cham. 16 Square Rods,...
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University Arithmetic: Embracing the Science of Numbers, and General Rules ...

Charles Davies - Arithmetic - 1867 - 486 pages
...length and breadth are both considered. Table. I 44 gquare inches (sq. in.) make 1 square foot, Sq-fl 9 square feet 1 square yard, Sq. yd. 30i square yards 1 square rod, or 1 perch, . P. 40 square rods, or 40 perches, 1 rood, . R. 4 roods, or 160 perches, . . 1 acre, ......
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An Intellectual Arithmetic: With an Introduction to Written Arithmetic

George Augustus Walton, Electa N. L. Walton - Arithmetic - 1869 - 188 pages
...yd. 304- square 3'ards, or ) .. •, •. 0-761 e ,' > = 1 square rod, sq. rd. 272 J square feet $ 160 square rods = 1 acre, ... A. 640 acres = 1 square mile, sq. m. 93. A Square is a four-sided figure which has all its sides equal, and all its corners or angles...
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The Illustrative Practical Arithmetic by a Natural Method ...

George Augustus Walton, Electa Nobles Lincoln Walton - Arithmetic - 1869 - 350 pages
...square feet = 1 square yard, " sq. yd. 30^ square yards or 272 J- square feet = 1 square rod, " sq. r. 160 square rods = 1 acre, " A. 640 acres = 1 square mile, " sq. m. ILL. Ex. Change 5376 sq. ft. to units of higher denominations. OPERATION. 9)5376 30J ) 5 9 7 sq....
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An Elementary Arithmetic

Daniel Barnard Hagar - Arithmetic - 1871 - 220 pages
...square rod, an acre and a square mile. TABLE. 144 square inches (sq. in.) are 1 square foot ...sq. ft. 9 square feet " 1 square yard . sq. yd. 30i square yards " 1 sq. rod or perch. . P. 160 sq. rods or perches '' 1 acre A. 640 acres " 1 square mile . . sq. m. 1...
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The Illustrative Practical Arithmetic by a Natural Method with Dictation ...

George Augustus Walton, Electa N. L. Walton - Arithmetic - 1871 - 348 pages
...square feet = 1 square yard, " sq. yd, 30 J square yards or 27 2^ square feet = 1 square rod, " sq. r. 160 square rods = 1 acre, " A, 640 acres = 1 square mile, " sq. m. ILL. Ex. Change 5376 sq. ft. to units of higher denominations. OPERATION. 9)5376 30J ) 5 9 7 sq....
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The Illustrative Practical Arithmetic ...

George Augustus Walton - Arithmetic - 1873 - 348 pages
...square feet = 1 square yard, " sq. yd, 30£ square yards or 2 72J square feet = 1 square rod, " sq. r. 160 square rods = 1 acre, " A. 640 acres = 1 square mile, " sq. m. ILL. Ex. Change 5376 sq. ft. to units of higher denominations. OPERATION. 9)5376 30J ) 5 9 7 sq....
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The Complete Arithmetic: Oral and Written

Daniel W. Fish - Arithmetic - 1874 - 300 pages
...sq.ft. 9 Square Feet = 1 Square Yard . . sq. yd. 80} Square Yards = 1 Sq. Rod or Perch sq. rd.; P. 160 -Square Rods = 1 Acre A. 640 Acres = 1 Square Mile . . sq. mi. sq. mi. A. sq. rd. sq. yd. sq. ft. sq. in. 1 = 640 = 102400 = 3097600 = 27878400 = 4014489600 1 = 160 =...
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First Book in Arithmetic: Including Oral and Written Exercises

Daniel W. Fish - Arithmetic - 1874 - 180 pages
...sq. ft. 9 Square Feet = 1 Square Yard . . sq. yd. 30J Square Yards = 1 Sq. Rod or Perch. sq. rd. ; P. 160 Square Rods = 1 Acre A. 640 Acres = 1 Square Mile . . sq. mi. 36 Square Miles = 1 Township . . . Tp. »q. mi. A. I = 640 = sq. rd. sq.yd. sq.ft. sq. in. 102400 =...
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The Model Mental Arithmetic: Containing Oral Exercises for Graded and ...

Edgar Arthur Singer - Mental arithmetic - 1876 - 198 pages
...144 square inches (sq. in.) are 1 square foot, sq.ft. 9 square feet " 1 square yard, sq. yd. 30 £ square yards " 1 square rod, sq. rd. 160 square rods " 1 acre, A. 640 acres " 1 square mile, sq. mi. In measuring land, IS square rods are 1 Bquare chain (sq. ch.), and 10 square chains are 1 acre. III....
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