 | George Albert Wentworth, George Anthony Hill - Arithmetic - 1887 - 448 pages
...1 furlong = J mi. 1 knot = 6086 ft. 1 league = 3 knots. 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. mi.). Measures sometimes used for Special... | |
 | W. V. Wright - Measurement - 1887 - 76 pages
...used in measuring surfaces. The table is as follows : 144 square inches . = 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. A square measuring 208.71+... | |
 | Horatio Nelson Robinson - 1888 - 372 pages
...land, boards, painting, plastering, paving, etc. 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. eq.... | |
 | Warren H. Sadler - 1888 - 426 pages
...land, boards, plastering, painting, paying, etc. TABLE. 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. mi.) REM. 1. — The unit of measure in... | |
 | James William Nicholson - Arithmetic - 1889 - 408 pages
...Square measures are used in measuring surfaces. 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.) 240. Surveyor's square measures are used chiefly in government surveys.... | |
 | Caton's national business college, Buffalo, N.Y. - 1889 - 330 pages
...plastering, painting, paving, etc. Scale: 144 square inches (sq. in. ) = 1 square foot (sq. f t. ) ; 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.) 163. Surveyors' Square Measure... | |
 | John Fair Stoddard - Arithmetic - 1889 - 200 pages
...Ells Flemish? SECTION XXIII. TABLE OF LAND MEASURE. 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, or pole, P. 160 square rods " 1 acre, A. 640 acres " 1 square mile, sq. m. 1 square inch. 1. How many... | |
 | George Albert Wentworth - Arithmetic - 1889 - 676 pages
...linear units in its adjacent side. UNITS OF SUBFAOE. 16L 144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.). 30} square yards, or J _ 1 fl ^ ( rd } 272} square feet, J ' 160 square rods, or 1 _ ^ , , , 10 square chains, i 640... | |
 | Charles Austin Hobbs - Arithmetic - 1889 - 362 pages
...Engineers use a chain, or measuring tape, 100 feet long. TABLE. 144 square inches (sq. in.) =1 square foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.). 30^ square yards or.) = ± & rod ( rf } 272} square feet ) l 160 square rods = 1 acre (A.). 640 acres =1 square mile... | |
 | Warren H. Sadler, William Russell Will - Business mathematics - 1890 - 316 pages
...land, boards, plastering, painting, paving, etc. Scale: 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. mi.) 163. Surveyors' Square Measure... | |
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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. 
