 Square Measure 144 square inches (sq. in.) = 1 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.  The Stone Arithmetic - Page 283by John Charles Stone - 1925Full view - About this book
 | Christian Brothers - Arithmetic - 1888 - 484 pages
...dimensions ; viz., length and breadth. 159. The Unit of Surface Measure is the square yard. TABLE. 144 square inches (sq. in.) — 1 square foot ........................... 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
...follows : 144 square inches . = 1 square foot . sq.ft. 9 square feet . . . = 1 square yard . sq. yd. 30} square yards . . = 1 square rod . sq. rd. 160 square...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 by... | |
 | George Albert Wentworth, George Anthony Hill - Arithmetic - 1887 - 448 pages
...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...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. III.... | |
 | Warren H. Sadler - 1888 - 426 pages
...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. mi.) REM. 1. — The unit of measure in estimating land is the acre ; and in estimating other surfaces,... | |
 | Horatio Nelson Robinson - 1888 - 372 pages
...TABLE. 144 Square Inches (sq. in.) make 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. mi UNIT EQUIVALENTS.^ sq. ft. sq. in. eq. yd. 1 = 144 sq. rd. 1 = 9 = 1293 1 = 30J = 272| = 39204 160... | |
 | 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= 160=... | |
 | Henry Francis Harrington - Spellers - 1888 - 126 pages
...foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.) 30J square yards = 1 square rod (sq. rd.). 100 square rods = 1 acre (A.). 640 acres = 1 square mile (sq. mi.). 12 inches (in.) = 1 foot (ft.). 3 feet = 1 yard (yd.). 5J yards = 1 rod (rd.). 40 rods = 1 furlong... | |
 | 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... | |
 | George Albert Wentworth - 1889 - 476 pages
...chain. II. SURFACE. 1 fathom = 6 ft. 1 furlong -• £ mi. 1 knot = 6086 ft. 1 league — 3 knots. 144 square inches (sq. in.) = 1 square foot (sq. ft.)....acre (A.). 640 acres •- 1 square mile (sq. mi.). Measures sometimes used for Special Purposes. 1 rood — 40 sq. rds. 1 square of flooring or roofing... | |
 | Edward Sylvester Ellis - Arithmetic - 1889 - 196 pages
...denomination, their product is the number of superficial units in the area. 144 square inches (sq. in. ) = J square foot, sq. ft. 9 square feet = 1 square yard,...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... | |
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