 | Walter Wilson Hart - 1921 - 250 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.) 80J square yards = 1 square rod (sq. rd.) 160 square rods 1 , , . . 43560 square feet } = l aCTe... | |
 | Robert Franklin Anderson - Arithmetic - 1921 - 348 pages
...3 geographic miles, used to measure distances'at sea. Square Measure 144 square incbfes (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) =- 1 square rod (sq. rd.) = 1 acre (A.) = 1 square mile (sq. mi.) 1 A. = 4840 sq. yd. = 43,560... | |
 | 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... | |
 | 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... | |
 | 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... | |
 | 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... | |
 | 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 (... | |
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SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. 
