| Edgar Arthur Singer - Mental arithmetic - 1876 - 198 pages
...144 square inches (sq. in.) are 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. In measuring land, IS square rods are 1 Bquare chain (sq. ch.), and... | |
| 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... | |
| Benjamin Greenleaf - Arithmetic - 1877 - 164 pages
...TABLE. 144 square inches (sq. in.) are 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** square acres, 1 square mile, sq. m. 73. 1. How many square inches «| in 1 square foot ? In 1 twelfth... | |
| Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1877 - 372 pages
...TABLE. 144 Square Inches (sq. in.) make 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. UNIT EQUIVALENTS. sq. ft. sq. in. sq. yd. 1 = 144 sq. rd. 1 = 9 = 1296... | |
| Joseph Ray - Arithmetic - 1877 - 402 pages
...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 rods " 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.... | |
| William James Milne - Arithmetic - 1877 - 402 pages
...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.rd. sq. yd. sq.ft. sq.in. 1 = 640 = 102400 = 3097600... | |
| 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... | |
| Henry Francis Harrington - Spellers - 1880 - 208 pages
...144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.) 30i **square yards = 1 square rod (sq. rd.). 160 square rods = 1 acre (A.).** 12 inches (in ) — 1 foot (ft.). 220 yards 8 feet = 1 yard (yd.). 1760 yan 5£ yards = 1 rod (rd.).... | |
| Arithmetic - 1882 - 212 pages
...TABLE. 144 square inches (sq. in.) are 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.** 219. ORAL EXERCISES. 1. How long is a square foot ? Draw one on the board. Divide it into square inches.... | |
| Silas Sadler Packard, Byron Horton - Business mathematics - 1882 - 324 pages
...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.** NOTE. — 1 Rood = 40 sq, rds. — } A. The rood has practically gone out of use. 16O. The Area of... | |
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