 | Joseph Ray - Arithmetic - 1879 - 200 pages
...ft. 9 square feet " 1 square yard, " sq. yd. 30J square yards " 1 square rd. or perch, " sq. rd. 160 square rods " 1 acre, " A. 640 acres " 1 square mile, " sq. mi. MENTAL EXERCISES. 1. How many square feet in 3 square yards? In 2 sq. yd.? In 5 sq. yd.? 2. How many... | |
 | Hoy D. Orton, Warren H. Sadler - Ready-reckoners - 1881 - 316 pages
...43560 = 6272640 1 = 30J = 272J= 39204 1 = 9 = 1296 1 = 144 SCALE OF UNITS :— 144, 9, 30i, 40, 4, 640. Measure 209 feet on each side, and you have a square acre within an inch. NOTE. — 'I'll'- following gives the comparative size, in square yards, of acres in different countries:... | |
 | Daniel W. Fish - Arithmetic - 1883 - 186 pages
...sq.ft. 9 Square Feet = 1 Square Yard, . sq. yd. 30J Square Yards = 1 Sq. Rod or Perch, sq. rd.j P. 160 Square Rods = 1 Acre, . . . . A. 640 Acres = 1 Square Mile, . sq. mi. 101. Cubic or Solid Measure is used in measuring things which have length, breadth, and thickness.... | |
 | Daniel W. Fish - Arithmetic - 1883 - 180 pages
...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 Square Miles = 1 Township, . . . Tp. A square mue of land is also called a section, and is 1 mi.... | |
 | Warren H. Sadler, William Russell Will - Arithmetic - 1885 - 422 pages
...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
...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... | |
 | Indiana. State Board of Education - 1886 - 368 pages
...yard, sq. yd. 304- square yards or ) , ««ni * - f = 1 square rod, sq. rd. 2724; square feet 5 ' ' 160 square rods = 1 acre, A. 640 acres = 1 square mile, sq. mi. The unit of Land Measure is the acre, subdivided as follows : 625 square links = 1 square rod, sq.... | |
 | George Albert Wentworth, George Anthony Hill - Arithmetic - 1887 - 448 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.). Measures sometimes used for Special Purposes. 1 rood = 40 sq. rds. I 80 ARITHMETICAL EXERCISES. III.... | |
 | W. V. Wright - Measurement - 1887 - 74 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 by... | |
 | 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... | |
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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. 
