 | Warren H. Sadler, William Russell Will - Business mathematics - 1890 - 316 pages
...Measure is used in measuring surfaces, such as 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... | |
 | Horatio Nelson Robinson - Arithmetic - 1894 - 206 pages
...dm. 10 dm. = 1 meter m. 10 m. =1 dekameter Dm. 10 Dm. = 1 hectometer Hm. 10 Hm. = 1 kilometer Km. 53. SQUARE MEASURE. 144 square inches (sq. in.) = 1 square foot .... sq. ft. 9 sq. ft. = 1 square yard ... sq. yd. 30J sq. yd, = 1 square rod .... sq. rd. 160 sq. rd. = 1 acre A.... | |
 | Raleigh Schorling, John Roscoe Clark - Mathematics - 1925 - 332 pages
...(mi.) A mile = 320 rd. = 1760 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... | |
 | International Correspondence Schools - Machine-shop practice - 1924 - 402 pages
...link li. 100 links .'. =1 chain 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... | |
 | Thomas Alexander, Charles Madison Sarratt - Arithmetic - 1924 - 336 pages
...square contains 30j square yards. It is a square rod. An acre contains 160 of such square rods. Table of Square Measure 144 square inches (sq. in.) — 1 square foot (sq. ft.) 9 square feet (sq. ft.) = 1 square yard(sq. yd.) 30J square yards (sq. yd.) = 1 square rod (sq. rd.) 160 square rods... | |
 | Joseph Clifton Brown, Albert Clayton Eldredge - Arithmetic - 1924 - 312 pages
...foot? Explain Figure B. 1 YARD 1 FOOT 1 FOOT 1 FOOT 12 INCHES=! FOOT Figure A Figure B , flgUlC f\ 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet (sq. ft.) = 1 square yard (sq. yd.) 1. Change 2 square yards to square feet. 9 sq. ft. = 1 sq. yd.... | |
 | John Charles Stone - Arithmetic - 1925 - 356 pages
...RECTANGLES In reducing the areas of rectangles to larger units, you will need the following table : Table of Square Measure 144 square inches (sq. in.) = 1 square...(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... | |
 | Thomas Jackson Durell, Harry Orrin Gillet, Fletcher Durell - Arithmetic - 1925 - 464 pages
...64 pt. MEASURES OF LENGTH 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) MEASURES OF SURFACE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) MEASURES OF WEIGHT 16 ounces (oz.) = 1 pound (Ib.) 100 pounds = 1 hundredweight (cwt.) 2000 pounds... | |
 | Frank Morton McMurry, Charles Beverley Benson - Arithmetic - 1926 - 364 pages
...1 bushel (bu.) LENGTH 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5280 feet = 1 mile (mi.) SQUARE MEASURE 144 square inches (sq. in.) = 1 square...(sq. ft.) 9 square feet = 1 square yard (sq. yd.) 43,560 square feet = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) TIME 60 seconds (sec.) = 1 minute... | |
 | Harry De Witt De Groat, Sidney Grant Firman, William A. Smith - Arithmetic - 1926 - 360 pages
...multiplying, be sure to have the same units of measure for both length and width. SURFACE MEASURES 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.... | |
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SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. 
