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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. "
How to Become Quick at Figures: Comprising the Shortest, Quickest, and Best ... - Page 115
by D. M. Garret - 1886 - 190 pages
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Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson - 1888 - 372 pages
...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 UNIT EQUIVALENTS.^ sq. ft. sq. in. eq. yd. 1 = 144 sq. rd. 1 = 9 = 1293 1 = 30J = 272| = 39204 160...
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Orton & Sadler's Business Calculator and Accountants Assistant: Cyclopędia ...

Hoy D. Orton, Warren H. Sadler - Business mathematics - 1888 - 342 pages
...117. ft. 9 Square Feet 1 square yard, sq. yd. 301 Square Yards 1 sq. rod or perch, sq. rd.; P. 160 Square Rods 1 acre, A. 640 Acres 1 square mile, sq. mi. tg.mi. A. sg. rd. sq. yd. sq.ft. Sq. in. 1 =. 640 = 102400 = 3097600 = 27878400 =4014489600 1= 160=...
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The Commercial Arithmetic: A Practical Text-book for Business Colleges, High ...

Warren H. Sadler - 1888 - 426 pages
...(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.) REM. 1. — The unit of measure in estimating land is the acre ; and in estimating other surfaces,...
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The Essentials of Business Arithmetic, for Use in Business Colleges

Caton's national business college, Buffalo, N.Y. - 1889 - 330 pages
...f t. ) ; 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.) 163. Surveyors' Square Measure is used by surveyors in measuring land. Scale : 10000 square links (sq....
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Elementary Arithmetic: Combining Oral and Written Exercises

Edward Sylvester Ellis - Arithmetic - 1889 - 196 pages
...square foot, sq. ft. 9 square feet = 1 square yard, sq. yd. 30J square yards = 1 square rod, sq. rd. 160 square rods = 1 acre, A. 640 acres = 1 square mile, sq. mi. 1. How many square rods in 10 A. ? - 2. How much will 5 sq. mi. of land cost at $40 an A. ? 3. How...
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An Arithmetic for Preparatory Schools, High Schools, and Academies

Charles Austin Hobbs - Arithmetic - 1889 - 366 pages
...ft.). 9 square feet = 1 square yard (sq. yd.). 30J square yards or j =1 rod ^ 272J square feet jv 160 square rods = 1 acre (A.). 640 acres = 1 square mile (sq. mi.). NOTE. A perch (P.) is a square rod, and a rood (R.) = 40 sq. rd. 10 square chains = 1 acre. A section...
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Orton & Sadler's Business Calculator and Accountants Assistant: A ...

Hoy D. Orton - Business mathematics - 1889 - 344 pages
...iq. ft. 9 Square Feet 1 square yanl, si/, yd. 30] Square Yards 1 s<|. rod or perch, «<j. rd.; P. 160 Square Rods 1 acre, A. 640 Acres 1 square mile, sq. mi. ly.mi. A. tij.rd. irj. yd. sq. ft. Sf). in. 1 — 640 = 102400 = 3097 riOO = 27 878400 =4014489600...
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Orton & Sadler's Business Calculation and Accountants Assistant: A ...

Hoy D. Orton - 1890 - 342 pages
...= h'l'72640 1 = 301 = 2721= 39204 1 = 9 = 129ti SCALE OF UNITS:—144, 9, 301, 40, 4, 640. 1 = 144 Measure 209 feet on each side, and you have a square acre within an inch. KrtTK.—The following gives the comparative sine, in square yardi», of arn-s ill diffcri'nt cuuutiirs:...
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Essentials of Business Arithmetic: For Use in Schools and Colleges

Warren H. Sadler, William Russell Will - Business mathematics - 1890 - 312 pages
...(sq.ft.); 9 square feet = 1 square yard (sq. yd.); 30J- square yards = 1 square rod (sq. rd.); 160 square rods = 1 acre (A.) ; 640 acres = 1 square mile (sq. mi.) 163. Surveyors' Square Measure is used by surveyors in measuring land. Scale: 10000 square links (sq....
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Business Arithmetic

John Edward King - Business mathematics - 1891 - 254 pages
...(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.). 36 sq. mi. (6 miles square) = 1 Township (Tp.). CUBIC MEASURE. 241. Cubic Measure is used in measuring...
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