 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.  An Intellectual Arithmetic - Page 112by George Augustus Walton - 1873Full view - About this book
 | Edward Sylvester Ellis - Arithmetic - 1886 - 200 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... | |
 | Christian Brothers - Arithmetic - 1888 - 484 pages
...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. m. ORAL EXERCISES. 1. How many sq. in. in a sq. ft? In 3 sq. ft. ? 2. How many sq. ft. in 288 sq. in.... | |
 | W. V. Wright - Measurement - 1887 - 76 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. A square measuring 208.71+ feet on each side contains 1 acre. Surveyor's square measure is used... | |
 | George Albert Wentworth, George Anthony Hill - Arithmetic - 1887 - 448 pages
...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.). Measures sometimes used for Special Purposes. 1 rood = 40 sq. rds. I 80 ARITHMETICAL EXERCISES.... | |
 | Henry Nathan Wheeler - Arithmetic - 1888 - 314 pages
...yard (sq. yd.). 2721 square feet ) , , , , . OA , * , > =1 square rod (sq. rd.). or oOJ square yards ) 160 square rods =1 acre (a.). 640 acres = 1 square mile (sq. m.). 40 sq. rds. = 1 rood. 1 sq. m. =1 section. 4 roods = 1 acre. 36 sections = 1 township. * One tenth... | |
 | Hoy D. Orton, Warren H. Sadler - Business mathematics - 1888 - 342 pages
...foot, 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=... | |
 | Warren H. Sadler - 1888 - 426 pages
...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.) REM. 1. — The unit of measure in estimating land is the acre ; and in estimating other surfaces,... | |
 | 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... | |
 | John Fair Stoddard - Arithmetic - 1889 - 200 pages
...foot, sq. ft. 9 square feet ' ' 1 square yard, sq. yd. 30| square yards " 1 square rod, or pole, P. 160 square rods " 1 acre, A. 640 acres " 1 square mile, sq. m. 1 square inch. 1. How many square feet in 4 sq. yd. ? In 8 sq. yd. ? 2. How many rods in 4 acres ?... | |
 | Caton's national business college, Buffalo, N.Y. - 1889 - 330 pages
...(sq. 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... | |
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