 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.  A Grammar Shcool Arithmetic - Page 174by George Albert Wentworth - 1886 - 372 pagesFull view - About this book
 | Weights and measures - 1956 - 288 pages
...formerly used in the United States was 6 080.20 feet=l nautical (geographical or sea) mile. AREA MEASURE' 144 square inches (sq in.) = 1 square foot (sq ft). 9 square feet = 1 square yard (sq yd) = 1 296 square inches. 30% square yards =1 square rod (sq rd) = 27214 square feet. 160 square rods... | |
 | Robert R. Hudelson - Farm management - 1923 - 290 pages
...(yd.) 1 rod (rd.) 1 mile (mi.) 1 mile = 320 rods = 1,760 yd. = 5,280 ft. = 63,360 in. Square Measures 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet 30J^ square yards 160 square rods 640 acres 1 square mile 36 sections 43,560 square feet 1 square yard... | |
 | New Jersey - 1966 - 772 pages
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