 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.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.  A Secondary Arithmetic - Page 137by John Charles Stone - 1908Full view - About this book
 | Benjamin Greenleaf - Arithmetic - 1877 - 164 pages
...Surface or Square Measures are those used in estimating surfaces. TABLE. 144 square inches (sq. in.) are 1 square foot, sq. ft. 9 square feet, 1 square yard...square rod, sq. rd. 160 square rods, 1 acre, A. 640 square acres, 1 square mile, sq. m. 73. 1. How many square inches «| in 1 square foot ? In 1 twelfth... | |
 | Joseph Ray - Arithmetic - 1877 - 402 pages
...TABLE. 144 square inches make 1 square foot, marked sq. ft. 9 square feet " 1 square yard, " sq. j'd. 30J- square yards " 1 square rod, " sq. rd. 160 square..." 1 acre, A. 640 acres " 1 square mile, " sq. mi. 1. Reduce 8 sq. yd. to square inches. 10368 sq. in. 2. .Reduce 4 A. to square rods. 640 sq. rd. 3.... | |
 | Horatio Nelson Robinson - Arithmetic - 1877 - 212 pages
...TABLE. 144 Square Inches (sq. in.) make 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. mi. UNIT EQUIVALENTS. sq. ft. sq. in. sq. yd. 1 = 144 sq. rd. 1 = 9 = 1276 A. 1 = 30} = 272i = 39204 eq.... | |
 | William Guy Peck - Arithmetic - 1877 - 430 pages
...inches (sq. in.) make 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. It is found convenient in practice to reduce square yards, square feet, and square inches, to quarter... | |
 | George Augustus Walton, Electa Nobles Lincoln Walton - Arithmetic - 1877 - 348 pages
...square feet = 1 square yard, *' sq. yd 30|- square yards or 272J- square feet = 1 square rod, " sq. r. 160 square rods = 1 acre, " A. 640 acres = 1 square mile, " sq. m. ILL. Ex. Change 5376 sq. ft. to units of higher denominations. OPERATION. 9)5376 30J ) 5 9 7 sq.... | |
 | Albert Newton Raub - Arithmetic - 1877 - 348 pages
...(sq. in.) = 1 square foot, sq. ft. 9 " feet =1 " yard, sq.yd. 30^ " yards ) or 2721 " feet J 100 " rods = 1 acre A. 640 acres = 1 square mile, sq. mi. The rood, now but seldom used, is equal to 40 square rods. COMPARISON OF UNITS. 1 A. = 160 sq. rd. = 4840... | |
 | Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1879 - 374 pages
...Inches (sq. in.) make 1 Square Foot ........ sq. ft. 9 Square Feet " 1 Square Yard ....... sq. yd. 30} Square Yards " 1 Square Rod ....... sq. rd. 160 Square..................... A. 640 Acres " 1 Square Mile ....... sq. mi UNIT EQUIVALENTS. eq. ft. sq. in. eq. yd. 1 = 144 eq. rd. 1 = 9 = 1293 t 1 = 80J = 273i = 89204 160... | |
 | Joseph Ray - Arithmetic - 1879 - 200 pages
...marked sq. ft. 9 square feet " 1 square yard, " sq. yd. 30J square yards " 1 square rd. or perch, " sq. rd. 160 square rods " 1 acre, " A. 640 acres " 1 square mile, " sq. mi. MENTAL EXERCISES. 1. How many square feet in 3 square yards? In 2 sq. yd.? In 5 sq. yd.? 2. How many... | |
 | William Frothingham Bradbury - Arithmetic - 1879 - 392 pages
...1 square yard (sq. yd.). Щ square yards, or) = l square rod (sq. rd.). 272} square feet ) 1 v ' ; 160 square rods = 1 acre (a.). 640 acres = 1 square mile (sq. m.). NOTE. The units of square measure, so far as they are the same in name, are obtained by squaring... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1882 - 212 pages
...Measures arc those used in measuring surfaces. I Square Inch. TABLE. 144 square inches (sq. in.) are 1 square foot, sq. ft. 9 square feet " 1 square yard,...1 square rod, sq. rd. 160 square rods " 1 acre, A. 219. ORAL EXERCISES. 1. How long is a square foot ? Draw one on the board. Divide it into square inches.... | |
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