| Helen J. Kiggen - Business mathematics - 1922 - 424 pages
...MEASURE Square measure is used to measure the area of surfaces. TABLE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30 j square yd. = 1 square rod (sq. rd.) 160 square rods =1 acre (A.) 640 acres = 1 square mile (sq.... | |
| Mabel Sykes, Clarence Elmer Comstock - Geometry, Solid - 1922 - 236 pages
...centimeters 1 mile = 1.6093 kilometers 235. Units of Surface ENGLISH 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30M square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 4840 square yards = 1 acre... | |
| George Wentworth, David Eugene Smith, Herbert Druery Harper - Mathematics - 1922 - 214 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.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) CUBIC MEASURE 1728 cubic inches... | |
| 1923 - 364 pages
...area of one of your blackboards. 11. Find the area of your schoolroom. 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30 j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile... | |
| Earle Bertram Norris, Kenneth Gardner Smith - Arithmetic - 1924 - 280 pages
...ordinarily used in measuring areas : MEASURES OF AREA (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 640 acres = 1 square mile (sq. mi.) Often we know the... | |
| Theodore Lindquist - Mathematics - 1920 - 258 pages
...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 (sq. mi.). SURVEYORS'... | |
| International Correspondence Schools - Machine-shop practice - 1924 - 402 pages
...ch. 80 chains =1 statute mile mi. 1 mil = .001 inch MEASURES OF AREA 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. 272 i- square feet = 1 square rod 160 square rods = 1 acre... | |
| Raleigh Schorling, John Roscoe Clark - Mathematics - 1925 - 332 pages
...= 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... | |
| John Charles Stone - Arithmetic - 1925 - 356 pages
...This is a part of the table of square measure. Table of Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30£ square yards or 272£ square feet = 1 square rod (sq. rd.) 160 square rods or 43,560 square feet... | |
| |