 | George Wentworth, David Eugene Smith, Herbert Druery Harper - Mathematics - 1922 - 214 pages
...16|feet= 1 rod(rd.) 320 rods, or 5280 feet = 1 mile (mi.) 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.) CUBIC MEASURE 1728 cubic inches... | |
 | Mabel Sykes, Clarence Elmer Comstock - Geometry, Solid - 1922 - 236 pages
...30.48 centimeters 1 mile =1.6093 kilometers 236. Units of Surface ENGLISH 144 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... | |
 | Walter Wilson Hart - Mathematics - 1922 - 318 pages
...inches each. 80 chains = 1 mile. Measures of Surface or Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 80^- square yards - =1 square rod (sq. rd.) 160 square rods 1 ... 43560 square feet / " acre ( ' 640... | |
 | Helen J. Kiggen - Business mathematics - 1922 - 424 pages
...MEASURE Square measure is used to measure the area of surfaces. TABLE 144 square 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.... | |
 | Bruce Mervellon Watson - Arithmetic - 1922 - 294 pages
...square park of which each side is 107 feet. TABLE OF SURFACE 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. id.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile... | |
 | 1924 - 368 pages
...rods = 1 mile (mi.) 1 mile = 1,760 yd. = 5,280 ft. MEASURES OF SURFACE 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... | |
 | Raleigh Schorling, John Roscoe Clark - Mathematics - 1925 - 332 pages
...yd. = 5280 ft. = 1.61 kilometers SQUARE MEASURE OR MEASURES OF SURFACE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30.25 square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile... | |
 | 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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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. 
