 | Helen J. Kiggen - Business mathematics - 1922 - 424 pages
...inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30 j square yd. = 1 square rod (sq. rd.) 160 square rods =1 acre (A.) 640 acres = 1 square mile (sq. mi.) = 102,400 sq. rd. 27,848,400 sq. ft. =4,014,489,600 sq. in. A square is 100 sq. ft. (the unit used... | |
 | George Wentworth, David Eugene Smith, Herbert Druery Harper - Mathematics - 1922 - 216 pages
...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.) CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu.yd.)... | |
 | Bruce Mervellon Watson - Arithmetic - 1922 - 294 pages
...square foot (sq. ft.) 9 square feet ~ 1 square yard (sq. yd.) 30j square yards -= 1 square rod (sq. id.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) In the practical uses of surface measure, no reductions of more than one step are required. The reductions... | |
 | George Wentworth, David Eugene Smith, Herbert Druery Harper - Mathematics - 1922 - 220 pages
...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.) CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard(cu.yd-)... | |
 | Mabel Sykes, Clarence Elmer Comstock - Geometry, Solid - 1922 - 238 pages
...ENGLISH square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30M square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 4840 square yards = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) METRIC ICO square centimeters =... | |
 | George Wentworth, David Eugene Smith, Herbert Druery Harper - Machine-shop practice - 1922 - 176 pages
...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.) CUBIC MEASURE 1728 cubic inches (cu. iri.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu.... | |
 | George Washington Miner, Fayette Herbert Elwell, Frank Charles Touton - Business mathematics - 1923 - 424 pages
...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.) . In government surveys a square mile is generally called a section. Cumc MEASURE 1728 cubic inches... | |
 | 1924 - 368 pages
...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.) 1 acre = 160 sq. rd = 4,840 sq. yd. = 43,560 sq. ft. MEASURES OF WEIGHT 16 ounces (oz.) = 1 pound (Ib.)... | |
 | Theodore Lindquist - Mathematics - 1920 - 258 pages
...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.)....1 acre (A.). 640 acres = 1 square mile (sq. mi.). SURVEYORS' TABLE OF SQUARE MEASURE 16 square rods (sq. rd.) = 1 square chain (sq. ch.). 10 square chains... | |
 | William Ledley Vosburgh, Frederick William Gentleman, Jasper Ole Hassler - Mathematics - 1924 - 244 pages
...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.) 57. Rectangles. The process involved in finding areas of rectangles is illustrated by the following... | |
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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. 
