 | Edward Gideon - Arithmetic - 1902 - 182 pages
...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. mi. 1 acre = 160 sq. rd. = 4840 sq. yd. = 43560 sq.ft. In measuring land, 16 square rods are 1 square... | |
 | Edward Gideon - 1902 - 272 pages
...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. mi. Note 1. — Surveyors2 Square Measures are used in measuring or computing the area of land. Table.... | |
 | Alvord D. Robinson - Arithmetic - 1902 - 572 pages
...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. mi.) 10 square chains = 1 A. The English Square Measures are used in measuring cloth, ceilings, floors,... | |
 | Frank J. Browne - Mental arithmetic - 1902 - 186 pages
...square yard (sq. yd.) 30 ¿ square yards = 1 square rod (sq. rd.) 272¿ square feet = 1 square rod. 160 square rods = 1 acre (a.) 640 acres = 1 square mile (sq. mi.) The unit of Land Measure is the acre, subdivided as follows: — 625 square links = 1 square rod... | |
 | Engineering - 1902 - 514 pages
.... . . 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. rd. sq. yd. sq. ft. sq. in. 1 = 640 = 102,400 = 3,097,600 = 27,878,400 = 4,014,489,600... | |
 | Wilbur Fisk Nichols - Arithmetic - 1903 - 296 pages
...feet = 1 square yard (sq. yd.). 30i square yards, or I = l 8quare rod (sq. rd.). 272Í square feet / 160 square rods = 1 acre (a.). 640 acres = 1 square mile (sq. m.). SOLID OR CUBIC MEASURE. 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.). 27 cubic feet = 1 cubic... | |
 | John William Hopkins, Patrick Healy Underwood - Arithmetic - 1903 - 578 pages
...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.) 10 square chains = 1 acre 1 acre = 4840 square yards 1 section = 1 square mile 36 sections = 1... | |
 | American School (Chicago, Ill.) - Engineering - 1903 - 426 pages
...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. mi.) We are now using a known amount of surface as a unit. Observing the table we see that instead... | |
 | John William Hopkins - Arithmetic - 1903 - 240 pages
...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. mi.) AVOIRDUPOIS WEIGHT 16 ounces (oz.) =1 pound (Ib.) 100 pounds =1 hundredweight (cwt.) TABLES CUBIC... | |
 | Charles W. Morey - Arithmetic - 1911 - 452 pages
...yard (sq. yd.) 30J square yards 1 °rr =1 square rod (sq. rd.) 272J square feet J ADVANCED ARITHMETIC 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) 1 A. = 160 sq. rd. = 4840 sq. yd. = 43,560 sq. ft. 1 mile square = 1 section (sec.) 6 miles square... | |
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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. 
