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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. "
Complete Arithmetic: Theoretical and Practical - Page 148
by William Guy Peck - 1877 - 341 pages
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A New and Easy Introduction to the Mathematics: Containing. A system of ...

Ira Wanzer - Arithmetic - 1831 - 408 pages
...e. measured cloth, tapes, &c. 20=5=H=1 E. e. 24=6=U=1 Fr. c. 9. Superficial, or Square Measure. Ill Square Inches, (sq. in.) make 1 Square Foot, sq.ft. 9 Square Feet, 1 Square Yard, sq. yd. 303 Square Yards, or ) , ( Square Rod, 272 1 Square Feet, \ ( Perch,orPole, sq.rd. 40 Square Rods,...
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The Tutor's Assistant: Being a Compendium of Practical Arithmetic, for the ...

Francis Walkingame - 1833 - 204 pages
...Flemish ell is 3 qrs. A French ell 6 qrs. Used for all drapery goods. SUPERFICIAL, OR SQUARE MEASURE. 144 square inches (sq. in.) make 1 square foot, sq.ft. 9 square feet . . 1 square yard, sq. yd. 30£ sq. yards, or 272 \ sq. feet 1 sq. rod, pole, or perch. Also, in the measure of land, 40 perches make...
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The Common School Arithmetic: Prepared for the Use of Academies and Common ...

Charles Davies - Arithmetic - 1833 - 284 pages
...square feet. The number of square inches contained in a square foot is equal to 12 x 12 = 144. TABLE. 144 square inches, sq. in. make 1 square foot, Sq.ft. 9 square feet 1 square yard Sq. yd. 30J square yards 1 square pole, 40 square poles » . - 1 rood, 4 roods - - - 1 acre, 640 acres . ....
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A system of arithmetic, with the principles of logarithms

Richard Frederick Clarke (the elder.) - 1833 - 158 pages
...Artificers' work; and all 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...
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The New System of Practical Arithmetic: Whereby Most of the Various Problems ...

Charles Potts - Arithmetic - 1835 - 202 pages
...are, acre, rood, square perch, square yard, square foot, and square inches. 144 1 44 square inches =1 square foot. sq.ft. 9 square feet =1 square yard. sq. yd. 30;j square yards =1 square perch, P. ACl square perches =1 rood. R. roods =1 acre. A. 40 4 NOTE. —...
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First Lessons in Arithmetic: Designed for Beginners

Charles Davies - Arithmetic - 1840 - 144 pages
...16. How many degrees make a circle? LESSON VI. About Land or Square Measure. TABLE OF SQUARE MEASURE. 144 square inches, sq. in. make 1 square foot, sq.ft. 9 square feet - - - - 1 square yard, sq. yd. 30j square yards - - - - 1 square pole, - P. 40 square poles - - - - 1 rood, - - - R. 4 roods 1 acre,...
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A system of arithmetic

John Husband (math. master, Berwick.) - 1841 - 126 pages
...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 used in land-surveying...
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A New System of Arithmetic: In which is Explained and Applied to Practical ...

Calvin Tracy - Arithmetic - 1842 - 306 pages
...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. 640 square acres...
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Arithmetic Designed for Academies and Schools: With Answers

Charles Davies - Arithmetic - 1844 - 358 pages
...square feet. The number of square inches contained in a square foot is equal to 12x12 = 144. TABLE. 144 square inches, sq. in. make 1 square foot, Sq.ft. 9 square feet - - 1 square yard, Sq.yd. 30j square yards - - 1 square pole, P. 40 square poles 4 roods 640 acres j. ouuo.it ya.iu«...
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Arithmetic: Designed for Academies and Schools,(with Answers.)

Charles Davies - Arithmetic - 1844 - 356 pages
...3x3=9 square feet. The number of square inches contained in a square foot is equal to 12x12=144. TABtE. 144 square inches, sq. in. make 1 square foot, Sq.ft. 9 square feet 30^ square yards 40 square poles 4 roods 640 acres 1 square yard, Sq.yd. 1 square pole, P. 1 rood,...
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