 | Horatio Nelson Robinson - Arithmetic - 1877 - 212 pages
...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. sq. yd. 1 = 144 sq. rd. 1 = 9 = 1276 A. 1 = 30} = 272i = 39204... | |
 | William James Milne - Arithmetic - 1877 - 402 pages
.... 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. sq. mi. A. sq.rd. sq. yd. sq.ft. sq.in. 1 = 640 = 102400 = 3097600 = 27878400 = 4014489600 1. Plastering,... | |
 | James Bates Thomson - Arithmetic - 1878 - 180 pages
...square yard, sq. yd. 30^ square yards, or ) (( j 1 square rod, 272^ square feet ) ( perch, or pole, 1 60 square rods " 1 acre, A. 640 acres " 1 square mile, sq. m. NOTES. — r. A square is a rectilinear jgure which has four equal sides, and four right angles. 2.... | |
 | William Frothingham Bradbury - Arithmetic - 1879 - 392 pages
...1 square yard (sq. yd.). Щ square yards, or) = l square rod (sq. rd.). 272} square feet ) 1 v ' ; 160 square rods = 1 acre (a.). 640 acres = 1 square mile (sq. m.). NOTE. The units of square measure, so far as they are the same in name, are obtained by squaring (that... | |
 | Joseph Ray - Arithmetic - 1879 - 200 pages
...sq. 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... | |
 | Daniel W. Fish - Arithmetic - 1883 - 180 pages
...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 Square Miles = 1 Township, . . . Tp. A square mue of land is also called a section, and is 1... | |
 | 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.... | |
 | Warren H. Sadler, William Russell Will - Arithmetic - 1885 - 422 pages
...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.... | |
 | 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... | |
 | 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... | |
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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. 
