 | Daniel W. Fish - Arithmetic - 1883 - 364 pages
...Sq. In. (sq. in.) = 1 Sq. Foot, fq. ft. 9 Square Feet = 1 Sq. Yard, sq. yd. 30J Square Yards = 1 Sq. Rod, sq. rd 160 Square Rods = 1 Acre, . . A. 640 Acres = 1 Sq. Mile, sq. mi. EQUIVALENTS. f 4014489600 sq. in. 278T8400 sg.fi. 1 tq. mi.— -I 8097600 sq. yd.... | |
 | Daniel W. Fish - Arithmetic - 1883 - 180 pages
...measure is used in measuring surfaces. TABLE. 144 Square Inches (sq. in.) = 1 Square Foot, . . gg. ft. 9 Square Feet = 1 Square Yard, . . sq. yd. 30} Square Yards = 1 Sq. Rjd or Perch, sq. rd.; P. 160 Square Rods = 1 Acre A. 640 Acres = 1 Square Mile, . . sq. mi. 36... | |
 | Warren H. Sadler, William Russell Will - Arithmetic - 1885 - 422 pages
...ft.]. 9 square feet = 1 square yard [sq. yd.]. 30J square yards = 1 pole, perch, or square rod [P. or sq. rd.]. 160 square rods = 1 acre [A.], 640 acres = 1 square mile [sq. mi.] SURVEYORS' SQUARE MEASURE. 14. Surveyor's Square Measure is used by surveyors in measuring land. Table.... | |
 | Edward Sylvester Ellis - Arithmetic - 1886 - 200 pages
...area. 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. 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 many... | |
 | D. M. Garrett - Arithmetic - 1886 - 210 pages
...ft. 9 Square Feet, .... 1 square yard, sq. yd. 30J Square Yards, . . . 1 sq. rodorperch, sq. rd.; P. 160 Square Rods 1 acre, A. 640 Acres, 1 square mile, sq. mi. Measure 209 feet on each side, and you have a square acre within an inch. NOTE. — The following gives... | |
 | D. M. Garret - Arithmetic - 1886 - 202 pages
...Square Feet, .... 1 square yard, sq. yd. 30J Square Yards, . . . 1 sq. rod or perch, sq. rd.; P. ItiO Square Rods, .... 1 acre, A. 640 Acres, 1 square mile, sq. mi. Measure 209 feet on each side, and you have a square acre within an inch. NOTE. — The following gives... | |
 | George Albert Wentworth, George Anthony Hill - Arithmetic - 1887 - 448 pages
...J mi. 1 knot = 6086 ft. 1 league = 3 knots. 144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.). 30} 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.... | |
 | 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
...boards, painting, plastering, paving, etc. TABLE. 144 Square Inches (sq. in.) make 1 Square Foot sq. ft. 9 Square Feet " 1 Square Yard sq. yd. 30} Square Yards...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... | |
 | Warren H. Sadler - 1888 - 426 pages
...boards, plastering, painting, paying, etc. TABLE. 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet . = 1 square yard (sq. yd. ) 30 ± 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,... | |
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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. 
