 | W. V. Wright - Measurement - 1887 - 76 pages
...used in measuring surfaces. The table is as follows : 144 square inches . = 1 square foot . sq.ft. 9 square feet . . . = 1 square yard . sq. yd. 30}...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... | |
 | Horatio Nelson Robinson - 1888 - 372 pages
...inches. A board 20 in. long and 10 in. wide is a rectangle, containing 20 x 10 = 200 square inches. 196. Square Measure is used in computing areas or surfaces...Square Mile sq. mi UNIT EQUIVALENTS.^ sq. ft. sq. in. eq. yd. 1 = 144 sq. rd. 1 = 9 = 1293 1 = 30J = 272| = 39204 160 = 4840 = 43560 = 6272640 eq. mi. A.... | |
 | Warren H. Sadler - 1888 - 426 pages
...surfaces, such as land, boards, plastering, painting, paying, etc. TABLE. 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet . = 1 square...= 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,... | |
 | 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 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... | |
 | 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... | |
 | Caton's national business college, Buffalo, N.Y. - 1889 - 330 pages
...plastering, painting, paving, etc. Scale: 144 square inches (sq. in. ) = 1 square foot (sq. f t. ) ; 9 square feet = 1 square yard (sq. yd.) ; 30| square...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 (sq.... | |
 | Edward Sylvester Ellis - Arithmetic - 1889 - 196 pages
...area. 144 square inches (sq. in. ) = J 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... | |
 | George Albert Wentworth - 1889 - 476 pages
...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...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... | |
 | Charles Austin Hobbs - Arithmetic - 1889 - 366 pages
...(sq. ft.). 9 square feet = 1 square yard (sq. yd.). 30J square yards or j =1 rod ^ 272J square feet jv 160 square rods = 1 acre (A.). 640 acres = 1 square mile (sq. mi.). NOTE. A perch (P.) is a square rod, and a rood (R.) = 40 sq. rd. 10 square chains = 1 acre. A section... | |
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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. 
