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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. "
The Complete Arithmetic, Oral and Written, on the Basis of Works - Σελίδα 116
των Henry Bartlett Maglathlin - 1882 - 368 σελίδες
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A system of arithmetic, with the principles of logarithms

Richard Frederick Clarke (the elder.) - 1833
...dimensions of Length and Breadth only. THE TABLE. 144 Square Inches (sq. in.) 1 Square Foot sq.ft. 9 Square Feet 1 Square Yard sq. yd. 30| Square Yards, or 272J Square Feet 40 Poles 1 Kood rd. 4 Roods, or 4840 Square Yards... 1 Acre ac. 640 Acres 1 Square...

A system of arithmetic

John Husband (math. master, Berwick.) - 1841
...= 2J inches. SQUARE MEASURE. For estimating the contents of Surfaces. sq. in. 144 Square inches = 1 Square foot, sq. ft. 9 Square feet = 1 Square yard, sq. yd. 30£ Square yards = 1 Square pole. |J sq. po. 40 Square poles = 1 Rood, ro. 4 Roods = 1 Acre, ac. Note — The chain...

A New System of Arithmetic: In which is Explained and Applied to Practical ...

Calvin Tracy - 1842 - 288 σελίδες
...circumference. X. LAND OR SQUARE MEASURE. TABLE. 144 square inches(sq.in-) make I square foot, . marked sq. ft. 9 square feet .... " 1 square yard, " sq. yd. 30£ square yards ... " 1 square rod, . " sq. rd. 40 square rods .... " 1 square rood,. " R. 4 square roods ... " 1 acre,...

A system of arithmetic, with the principles of logarithms

Richard Frederick Clarke (the elder.) - 1844
...Artificers' work ; and all dimensions of Length and Breadth only. THE TABLE. 1 44 Square 1nches (sq. in.) 1 Square Foot sq. ft 9 Square Feet 1 Square Yard sq. yd. 30J Square Yards, or > , 272J Square Feet..../ 1 Square Pole sq. po. 40 Poles 1 Rood rd. 4 Roods, or...

Higher Arithmetic; Or, The Science and Application of Numbers: Combining the ...

James Bates Thomson - 1848 - 422 σελίδες
...as, land, flooring, plastering, &c. 144 square inches (sq. in.~) make 1 square foot, marked sq.ft. 9 square feet " 1 square yard, " sq. yd. 30} square yards, or > , , 272* square feet | 1 sq. rod, perch, or Dole, qr 40 square rods " 1 rood, " R. 4 roods, or 160 square rods...

Practical arithmetic for the use of adults

P. Fletcher - 1848
...ell, 5 quarters. French ell, 6 quarters. SaUARE MEASURE. 144 square inches make 1 square foot, marked sq. ft. 9 square feet — 1 square yard — sq. yd. 30^ square yards — 1 square perch — sq. per. 40 square perches — 1 rood — rd. 4 roods — 1 acre — ac. 640...

Youth's Columbian Calculator: Being an Introductory Course on Arithmetic for ...

Almon Ticknor - 1848 - 96 σελίδες
...flooring, &c. ; it has respect to length- and breadth, but not to depth. 144 square inches (sq. in.) make 1 square foot sq. ft. 9 square feet " 1 square yard sq. yd. 30J square yards (or 272-î ) .. , , , square feet) Г 1 squ.rodorpole rp 40 square rods - - " 1 square...

The scholar's guide to arithmetic; or, A complete exercise-book

John Bonnycastle - 1851
...ells, &c. were there in the whole ? SQUARE IVTEASURE, OS MEASURES OF SURFACE. 144 Square Inches make 1 Square Foot sq. ft. 9 Square Feet 1 Square Yard sq. yd. 30£ Square Yards 1 Square Pole sq. po. 40 Square Poles 1 Rood sq. rd. 4 Roods, or 4840 Sq. Yards 1 Acre ac. 640 Acres...

Mental arithmetic; or, A concise system of commercial arithmetic

James Strachan (F.E.I.S.) - 1852 - 92 σελίδες
...Scotch ell is a small fraction more than 37 inches. SQUARE, OK LAND MEASURE. 1 44 Square inches = 1 Square foot sq. ft.. 9 Square feet = 1 Square yard sq. yd. 30j Square yards = 1 Square pole sq. po. 40 Square poles = 1 Rood ro. 4 Roods = 1 Acre ac. One square...

A Theoretical and Practical Arithmetic: Designed for Common Schools and ...

Daniel Leach - 1853
...40 = 1 5280 = 1760 = 320 = 8 15840 = 5280 = 960 = 24 Square Measure. 144 square inches (sq. in.) = 1 square foot, sq. ft. 9 square feet ;= 1 square yard, sq. yd. 30£sq. yds.,272Jsq. ft.,= 1 square rod, sq. r. 40 square rods = 1 rood, . . R. 4 roods — 1 acre,...




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