 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.  For sixth, seventh, and eighth grades - Page 338by George Edward Atwood - 1894Full view - About this book
 | W. V. Wright - Measurement - 1887 - 76 pages
...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. A square measuring 208.71+ feet on each side contains 1 acre. Surveyor's square measure is used by... | |
 | Warren H. Sadler - 1888 - 426 pages
...measuring surfaces, such as land, boards, plastering, painting, paying, etc. TABLE. 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... | |
 | Mabel Sykes, Clarence Elmer Comstock - Geometry, Solid - 1922 - 236 pages
...foot = 30.48 centimeters 1 mile = 1.6093 kilometers 235. 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... | |
 | Bruce Mervellon Watson - Arithmetic - 1922 - 294 pages
...perimeter of a 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... | |
 | Walter Wilson Hart - Mathematics - 1922 - 318 pages
...(li.) of 7.92 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
...yard. SQUARE 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.... | |
 | 1924 - 368 pages
...(rd.) 320 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... | |
 | International Correspondence Schools - Machine-shop practice - 1924 - 402 pages
....'. =1 chain 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... | |
 | Thomas Alexander, Charles Madison Sarratt - Arithmetic - 1924 - 462 pages
...feet = 1 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.... | |
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