 | William Tate - 1837 - 358 pages
...LAND MEASURE. 30J Square Yards make 1 Square Perch, Pole, or Rod. 16 Square Poles — 1 Square Chain. 40 Square Rods — 1 Rood. 4 Roods — 1 Acre. 640 Acres — 1 Square Mile. The square rod is 5J yards in length, and the same in breadth. The terms roods and acres... | |
 | Thomas Hill - Arithmetic - 1845 - 110 pages
...square inches make 1 square foot. 9 square feet " 1 square yard. 121 square yards " 4 square rods. 40 square rods " 1 rood. 4 roods " 1 acre. . 640 acres " 1 square mile. A square inch is a square whose side is an inch in length. /. In measuring extension of... | |
 | Dana Pond Colburn - Arithmetic - 1852 - 228 pages
...square foot. 9 square feet = 1 square yard. 3(H square yards, or ) 272¿ square feet { = 1 S1Uare rod' 40 square rods = 1 rood. 4 roods = 1 acre. 640 acres = 1 mile. In this measure, Sq. M. stands for square mile, A. for acre, R. for rood, sq. rd. for square rod, sq.... | |
 | Dana Pond Colburn - Arithmetic - 1855 - 396 pages
...roods 640 acres = 1 square foot. = 1 square yard. = 1 square rod. = 1 rood. =. 1 acre. = 1 mile. (?.) In this measure, Sq. M. stands for square mile, A....rood, sq. rd. for square rod, sq. yd. for square yard, eq. ft. for square foot, and sq. in. for square inch. ui lit, a surface two nnits long and one unit... | |
 | Dana Pond Colburn - Arithmetic - 1858 - 388 pages
...feet, | 40 square rods 4 roods 640 acres 1 square foot. 1 square yard. 1 square rod. 1 rood. 1 acre. 1 mile. (l.\ In this measure, Sq. M. stands for square...rood, sq. rd. for square rod, sq. yd. for square yard, gq. ft. for square foot, and sq. in. for square inch. unit, a surface two units long and one unit wide... | |
 | Dana Pond Colburn - 1858 - 288 pages
...square foot. 9 square feet = 1 square yard. SOJsquareyards, \ or 272$ square > = 1 square rod. feet J 40 square rods = 1 rood. 4 roods = 1 acre. 640 acres = 1 square mile. ABBREVIATED. 144 sq. in. = 1 sq. ft. 9 sq. ft. = 1 sq. yd. 30} sq. yd. or] 272$ sq. ft.... | |
 | Dana Pond Colburn - 1859 - 84 pages
...square foot. 9 square feet = 1 square yard. 30 and one fourth ) , , > = 1 square rod. square yards ) 40 square rods = 1 rood. 4 roods = 1 acre. 640 acres = 1 square mile. B. All solids, that is, all bodies which have length, breadth, and thickness, are measured... | |
 | Dana Pond Colburn - Arithmetic - 1860 - 388 pages
...square feet = 1 square yard. 3CU square yards, or ) , . * ' f = 1 square rod. 2/ 2 J. square feet, J 40 square rods == 1 rood. 4 roods — 1 acre. 640...A. for acre, R. for rood, sq. rd. for square rod, sq.-yd. for square yard, sq. ft. for square foot, and sq. in. for square inch. NOTE. — Since a surface... | |
 | Dana Pond Colburn - Arithmetic - 1860 - 186 pages
...square feet = 1 square yard. 9 sq. f t. = 1 sq. yd. 30 J square yards, or •> 111\ square feet, J 40 square rods = 1 rood. 4 roods = 1 acre. 640 acres = 1 square mile. J. CUBIC MEASUB.E. — Cubic Measure is used in measuring solids. , , Щ sq. yds. or -,... | |
 | Horatio Nelson Robinson - Arithmetic - 1866 - 200 pages
...inches (sq. in.) make 1 square foot, 9 square feet " 1 square yard, SOJ square yards " 1 square rod, 40 square rods " 1 rood, 4 roods " 1 acre, 640 acres " 1 square mile, UNIT EQUIVALENTS. sq. ft sq. yd. sq. rd. R. A. sq. mi, •q.ml. A. 1— E. " 1— 4—... | |
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Measure. — 144 square inches = 1 square foot; 9 square feet = 1 square yard; 30J square yards = 1 square rod or perch; 40 square rods = 1 rood; 4 roods = 1 acre; 640 acres = 1 square mile; 36 square miles (60 miles square) = 1 township. 
