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 Βιβλία Βιβλία
Measure. — 144 square inches = 1 square foot; 9 square feet = 1 square yard; 30J square yards = 1 square rod or perch; 40 square rods = 1 rood; 4 roods = 1 acre; 640 acres = 1 square mile; 36 square miles (60 miles square) = 1 township.
Arithmetic and Its Applications: Designed as a Text Book for Common Schools ... - Σελίδα 34
των Dana Pond Colburn - 1856 - 366 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

## A Complete System of Commercial Arithmetic, Its Application to the Principal ...

William Tate - 1837 - 337 σελίδες
...LAND MEASURE. 30J Square Yards make 1 Square Perch, Pole, or Rod. 16 Square Poles — 1 Square Chain. 40 Square Rods — 1 Rood. 4 Roods — 1 Acre. 640 Acres — 1 Square Mile. The square rod is 5J yards in length, and the same in breadth. The terms roods and acres...

## An Elementary Treatise on Arithmetic: Designed as an Introduction to Peirce ...

Thomas Hill - 1845 - 85 σελίδες
...square inches make 1 square foot. 9 square feet " 1 square yard. 121 square yards " 4 square rods. 40 square rods " 1 rood. 4 roods " 1 acre. . 640 acres " 1 square mile. A square inch is a square whose side is an inch in length. /. In measuring extension of...

## The Decimal System of Numbers: Illustrated and Practically Applied, by a ...

Dana Pond Colburn - 1852 - 210 σελίδες
...square foot. 9 square feet = 1 square yard. 3(H square yards, or ) 272¿ square feet { = 1 S1Uare rod' 40 square rods = 1 rood. 4 roods = 1 acre. 640 acres = 1 mile. In this measure, Sq. M. stands for square mile, A. for acre, R. for rood, sq. rd. for square rod, sq....

## Arithmetic and Its Applications: Designed as a Text Book for Common Schools ...

Dana Pond Colburn - 1855 - 366 σελίδες
...roods 640 acres = 1 square foot. = 1 square yard. = 1 square rod. = 1 rood. =. 1 acre. = 1 mile. (?.) In this measure, Sq. M. stands for square mile, A....rood, sq. rd. for square rod, sq. yd. for square yard, eq. ft. for square foot, and sq. in. for square inch. ui lit, a surface two nnits long and one unit...

## Arithmetic and Its Applications: Designed as a Text Book for Common Schools ...

Dana Pond Colburn - 1858 - 366 σελίδες
...feet, | 40 square rods 4 roods 640 acres 1 square foot. 1 square yard. 1 square rod. 1 rood. 1 acre. 1 mile. (l.\ In this measure, Sq. M. stands for square...rood, sq. rd. for square rod, sq. yd. for square yard, gq. ft. for square foot, and sq. in. for square inch. unit, a surface two units long and one unit wide...

## The Common-school Arithmetic: a Practical Treatise on the Science of Numbers

Dana Pond Colburn - 1858 - 276 σελίδες
...square foot. 9 square feet = 1 square yard. SOJsquareyards, \ or 272\$ square > = 1 square rod. feet J 40 square rods = 1 rood. 4 roods = 1 acre. 640 acres = 1 square mile. ABBREVIATED. 144 sq. in. = 1 sq. ft. 9 sq. ft. = 1 sq. yd. 30} sq. yd. or] 272\$ sq. ft....

## The Child's Book of Arithmetic, Designed for Use in Primary Schools

Dana Pond Colburn - 1859 - 72 σελίδες
...square foot. 9 square feet = 1 square yard. 30 and one fourth ) , , > = 1 square rod. square yards ) 40 square rods = 1 rood. 4 roods = 1 acre. 640 acres = 1 square mile. B. All solids, that is, all bodies which have length, breadth, and thickness, are measured...

## Arithmetic and Its Applications: Designed as a Text Book for Common Schools ...

Dana Pond Colburn - 1860
...square feet = 1 square yard. 3CU square yards, or ) , . * ' f = 1 square rod. 2/ 2 J. square feet, J 40 square rods == 1 rood. 4 roods — 1 acre. 640...A. for acre, R. for rood, sq. rd. for square rod, sq.-yd. for square yard, sq. ft. for square foot, and sq. in. for square inch. NOTE. — Since a surface...

## The First Book of Arithmetic

Dana Pond Colburn - 1860 - 170 σελίδες
...square feet = 1 square yard. 9 sq. f t. = 1 sq. yd. 30 J square yards, or •> 111\ square feet, J 40 square rods = 1 rood. 4 roods = 1 acre. 640 acres = 1 square mile. J. CUBIC MEASUB.E. — Cubic Measure is used in measuring solids. , , Щ sq. yds. or -,...

## The Rudiments of Written Arithmetic: Containing Slate and Black-board ...

Horatio Nelson Robinson - 1866 - 192 σελίδες
...inches (sq. in.) make 1 square foot, 9 square feet " 1 square yard, SOJ square yards " 1 square rod, 40 square rods " 1 rood, 4 roods " 1 acre, 640 acres " 1 square mile, UNIT EQUIVALENTS. sq. ft sq. yd. sq. rd. R. A. sq. mi, •q.ml. A. 1— E. " 1— 4—...