 | International Correspondence Schools - Civil engineering - 1899 - 722 pages
...written as so many hundredths of a chain. SQUARE MEASURE. TABLE 5. 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 = I acre A. 640 acres = 1 square mile ....... | |
 | Frank H. Hall - Arithmetic - 1899 - 456 pages
...corresponding unit of linear measure. TABLE. 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.). 272J square feet = 1 square rod. 160 square rods = 1 acre (A.). 4840 square yards... | |
 | Frank H. Hall - Arithmetic - 1899 - 462 pages
...corresponding unit of linear measure. TABLE. 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.). 272J square feet = 1 square rod. 160 square rods — 1 acre (A.). 4840 square... | |
 | James Bates Thomson - 1899 - 344 pages
...etc. 51. A Surface is that which has length and breadth only. TABLE. 144 square inches (sq. in.) = 1 square foot, . . sq.ft. 9 square feet = 1 square yard, . . sq. yd. 80J sq. yards, or ) _ ( 1 sq. rod, perch 272} sq. feet, ) ~ ( or pole, . . . sq. r. 160 square rods... | |
 | James Alexander McLellan, Albert Flintoft Ames - Arithmetic - 1899 - 160 pages
...SURFACE OR SQUARE MEASURE SURFACE OR 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.) 100 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) UNITS OF VOLUME... | |
 | Frank Castle - Mathematics - 1900 - 184 pages
...square chains = 4840 square yards = 1 acre. 144 square inches (sq. in.) = l square foot (sq. foot). 9 square feet =1 square yard (sq. yd.). 30J square yards = 1 square perch, rod, or pole (sq. po.). 40 square poles = 1 rood (r.). 4 roods =1 acre (ac.)= 4840 square... | |
 | William Joseph Moran - Arithmetic - 1900 - 198 pages
...numbers representing its length and breadth. TABLE. 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, sq. mi. 61. 1. How many... | |
 | International Correspondence Schools - Electric lighting - 1901 - 630 pages
...320=8 = 1 SQUARE MKASUEE. TABLE. 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 .... sq. mi. sq. mi. A. sq.... | |
 | Isaac Oscar Winslow - Arithmetic - 1901 - 286 pages
...1 mile. 5280 feet = 1 mile. 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. rd.). 272J square feet = 1 square rod. 160 square rods = 1 acre (A.). 4840 square yards... | |
 | Frank J. Browne - Mental arithmetic - 1902 - 186 pages
...(knot). 3 geographic miles = 1 nautical league. TABLE FOR SURFACE 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.) 272¿ square feet = 1 square rod. 160 square rods = 1 acre... | |
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Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30-J- square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. 
