| Daniel W. Fish - Arithmetic - 1874 - 296 pages
...Square Inch is a square each side of which is 1 inch in length. TABLE. 144 Square Inches (sq. in.) — 1 Square Foot . . . . sq. ft. 9 Square Feet -— = 1 Square Yard .... sq. yd. 30 J Square Yards = 1 Square Rod or Perch . sq. rd., P. 160 Square Rods = 1 Acre A. sq. mi. A. sq. rd.... | |
| Daniel W. Fish - Arithmetic - 1874 - 180 pages
...used in measuring surfaces ; as of land, boards, plastering, etc. TABLE. 144 Square Inches (sq. in.) = 1 Square Foot . . sq. ft. 9 Square Feet = 1 Square Yard . . sq. yd. 30J Square Yards = 1 Sq. Rod or Perch. sq. rd. ; P. 160 Square Rods = 1 Acre A. 640 Acres = 1 Square... | |
| Edward Brooks - Arithmetic - 1874 - 352 pages
...land, boards, amount of plastering, papering, painting, etc. TABLE. 144 square inches (sq. in.) equal 1 square foot, sq. ft. 9 square feet ... "1 square yard, sq. yd. 301 square yards ... "1 perch, . . P. 40 perches .... "1 rood, . . . R. 4 roods "1 acre, ... A. 640... | |
| George Payn Quackenbos - Arithmetic - 1874 - 444 pages
...Yard, a Square Rod, and a Square Mile, may be similarly defined. TABLE. 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. 40 square rods, 1 rood, . . . R. 4 roods, 1 acre, ... A. 640... | |
| C. Taylor - 1874 - 176 pages
...Walls, Floon, or any other kind of surface. 144 Square Inches (sa. ia.) - make 1 Square Foot (sq.ft.) 9 Square Feet - „ 1 Square Yard (sq. yd.) 30^ Square Yards - ,, 1 Square Perch, Rod, и Pole (so. per.) . ) 40 Square Perches - „ 1 Rood (ro. ) 4 Roods, or 4840 sq. Yards... | |
| Thomas Alexander, Charles Madison Sarratt - Arithmetic - 1924 - 462 pages
...rod (rd.) 320 rods, or 5280 feet = 1 mile (mi.) TABLE OF 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. mi.) MEASURE OF VOLUME 1728... | |
| International Correspondence Schools - Machine-shop practice - 1924 - 402 pages
...ch. 80 chains =1 statute mile mi. 1 mil = .001 inch MEASURES OF AREA 144 square inches (sq. in.) = 1 square foot sq. ft. 9 square feet =1 square yard sq. yd. 30i square yards = 1 square rod sq. rd. 272 i- square feet = 1 square rod 160 square rods = 1 acre... | |
| Earle Bertram Norris, Kenneth Gardner Smith - Arithmetic - 1924 - 280 pages
...ordinarily used in measuring areas : MEASURES OF AREA (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 640 acres = 1 square mile (sq. mi.)... | |
| Theodore Lindquist - Mathematics - 1920 - 258 pages
...cable length. 1.15 common miles = 1 knot (nautical mile). 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... | |
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