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... 640 acres = 1 square foot (sq. ft.) = 1 square yard (sq. yd.) = 1 square rod (sq. rd.) = 1 acre (A.) = 1 square mile (sq. mi.) Square measure is used in measuring surfaces.
Bradbury's Eaton's Practical Arithmetic: Combining Oral and Written Exercises - Σελίδα 107
των William Frothingham Bradbury - 1879 - 374 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

## Arithmetic: In which the Principles of Operating by Numbers are Analytically ...

Daniel Adams - 1848 - 312 σελίδες
...272| sq. ft. = 16J X 16£, ) ( or P°le, ) sq. yds. _ z<zj sq. ft. = 16 JX 40 square rods 4 roods, or 160 square rods 640 acres sq. ft. 1 square yard, " sq. yd. ( 1 sq. rod, perch, ) " sq. rd. ( or pole, ) P. 1 rood, " R. 1 acre, 1 square mile, R. A. M. EXAMPLES FOR...

## A Treatise on Arithmetic, Combining Analysis and Synthesis: Adapted to the ...

James Stewart Eaton - 1857 - 355 σελίδες
...Also, in Chain Measure, 10000 Square Links or) , 16 Square Rods Ç mc 10 Square Chains " 1 Square Foot, sq. ft. 1 Square Yard, sq. yd. 1 Square Rod, sq. rd. 1 Rood, 1 Acre, 1 Square Mile, r. sq. m. 1 Square Chain, sq. ch. 1 Acre, a. r. a. 1= eq. m. 1= 4=: 1=640=2560=102400=3097...

## The Analysis of Written Arithmetic: Book First Designed for Public and ...

Stoddard A. Felter - 1862
...(sq. in.) make 1 square foot, 9 square feet 30J square yards 40 square rods 4 roods 640 acres marked sq. ft. 1 square yard, " sq. yd. 1 square rod, " sq. rd., P. 1 rood, or qr. acre, " R. 1 acre, " A. 1 square mile or section, " sq. m., sec. (6.) BCALK OF COMPARISON....

## The Progressive Practical Arithmetic: Containing the Theory of Numbers, in ...

Horatio Nelson Robinson, Daniel W. Fish - 1868 - 372 σελίδες
...in.) make 1 9 square feet 1 30^ square yards 40 square rods 4 roods 640 acres 1 square foot, marked sq. ft. 1 square yard, sq. yd. 1 square rod, sq. rd. 1 rood, R. 1 acre, 1 square mile, A. sq. mi. CNIT EQUIVALENTS sq. ft. 1 — •<!• yd. B. 1= 30|- =...

## A Practical Arithmetic: Upon the Basis of the Works of Geo. R. Perkins

George Payn Quackenbos - 1872 - 336 σελίδες
...IXCH. linen. I inch. 9 square feet, 30} square yards, 40 square rods, 4 roods, 640 acres, square foot, sq. ft. 1 square yard, sq. yd. 1 square rod, sq. rd. 1 rood, .... R. 1 acre, .... A. 1 square mile, sq. mi. •q.ml. A. •I _ E. 1 = 4 = sq. rd. 1 = 40 =...

## Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson, Daniel W. Fish - 1874 - 372 σελίδες
...found ? For what is square measure used ? Repeat the table. Give the scale. A 1 square foot, marked sq. ft. 1 square yard, sq. yd. 1 square rod, sq. rd. 1 rood, R. 1 acre, A. 1 square mile, sq. mi. ALENTS sq. ft. sI. in. .yd. 1 = 144 1 _ 9 = 1296 30}.= 272^...

## The Model Elementary Arithmetic: Including Oral and Written Exercises

Alfred Kirk, Henry Holmes Belfield - 1876 - 207 σελίδες
...foot (sq. ft.) = 1 square yard (sq. yd.) 9 square feet 30£ square yards 160 square rods 640 acres = 1 square rod (sq. rd.) = 1 acre (A.) = 1 square mile (sq. m.) ORAL. 1. How many square inches in 2 sq. ft.? 2. How many square yards in 54 sq. ft.? 3. How many square...

## Manual of Intellectual Arithmetic: An Independent Treatise Upon the Basis of ...

Benjamin Greenleaf - 1877 - 151 σελίδες
...in estimating surfaces. TABLE. 144 square inches (sq. in.) are 1 square foot, sq. ft. square feet, 1 square yard sq. yd. 1 square rod, sq. rd. 1 acre, . A. 1 square mile, sq. m. 73. 1. How many square inches in 1 square foot ? In 1 twelfth of a square foot ? 2. How many square...

## The Elementary Arithmetic: Oral and Written

Albert Newton Raub - 1877 - 164 σελίδες
...length by the breadth. TABLE. 144 square inches (sq. in.) = 1 square foot, sq. ft. 9 square feet = 1 square yard, sq. yd. = 1 square rod, sq. rd. = 1 acre, A. ** 1 square mile, sq. mi. - square yards, j 4- square feet ) 160 square rods 640 acres 1 A. - 160 sq. rd. - 4840 sq. yd....

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

Horatio Nelson Robinson - 1877 - 200 σελίδες
...In.) make 1 Square Foot sq. ft. 9 Square Feet 30} Square Yards 160 Square Rods 640 Acres •q. mi. 1 Square Yard sq. yd. 1 Square Rod sq. rd 1 Acre » A 1 Square Mile sq mi UNIT EQUIVALENTS. eq. ft. sq. in. eq. yd. 1 = 144 sq. rd. 1 = 9 = 1276 A. 1 = Щ = 2Щ = 39204 1...