 | James William Nicholson - Arithmetic - 1889 - 408 pages
...measure. 239. 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... | |
 | George Albert Wentworth - Arithmetic - 1889 - 676 pages
...the number of 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... | |
 | John Fair Stoddard - Arithmetic - 1889 - 200 pages
...qr., how many 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.... | |
 | Bruce Mervellon Watson - Arithmetic - 1922 - 294 pages
...square park of which each side is 107 feet. TABLE OF SURFACE 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. id.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile... | |
 | George Wentworth, David Eugene Smith, Herbert Druery Harper - Mathematics - 1922 - 216 pages
...16|feet= 1 rod(rd.) 320 rods, or 5280 feet = 1 mile (mi.) 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.) CUBIC MEASURE 1728 cubic inches... | |
 | 1924 - 368 pages
...rods = 1 mile (mi.) 1 mile = 1,760 yd. = 5,280 ft. MEASURES OF SURFACE 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.... | |
 | Theodore Lindquist - Mathematics - 1920 - 258 pages
...cable length. 1.15 common miles = 1 knot (nautical mile). 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... | |
 | Raleigh Schorling, John Roscoe Clark - Mathematics - 1925 - 332 pages
...yd. = 5280 ft. = 1.61 kilometers SQUARE MEASURE OR MEASURES OF SURFACE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30.25 square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile... | |
| |
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. 
