 | George Albert Wentworth - 1888 - 388 pages
...a second, what is its rate in miles per hour ? (One hour = 3600 seconds.) ong MEASUEES OF SURFACE. 144 square inches (sq. in.) = 1 square foot (sq. ft.) . 9 square feet = 1 square yard (sq. yd.). 30J square yards, or) , , , . . 272} square feet } = 1 ^re rod (sq. rd.). 160 square rods, or") . ,... | |
 | Horatio Nelson Robinson - 1888 - 372 pages
...surfaces ; as of 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.... | |
 | Henry Nathan Wheeler - Arithmetic - 1888 - 312 pages
...chain (4 rds or 792 in.) into 100 equal parts which were called links. SURFACE. 144 square inches = 1 square foot (sq. ft.). 9 square feet =1 square yard (sq. yd.). 2721 square feet ) . , , , .. „_ . >. =1 square rod (sq. rd.). or oOJ square yards ) 160 square rods... | |
 | Charles Austin Hobbs - Arithmetic - 1889 - 366 pages
...measuring tape, 100 feet long. 5L Square Measure is used in measuring the area of surfaces. TABLE. 144 square inches (sq. in.) =1 square foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.). 30J square yards or j =1 rod ^ 272J square feet jv 160 square rods = 1 acre (A.). 640 acres = 1 square... | |
 | 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... | |
 | 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,... | |
 | George Bates Nichols Tower - Engineering - 1889 - 224 pages
...league (1.) — 960 rods = 5280 yds. =,. 15840 ft. SQUARE OR LAND MEASURE. 144 square inches (sq ins.) T square foot (sq. ft.) 9 square feet 1 square yard (sq. yd.) — 1296 sq. ins. 30j^ square yards 1 square rod (sq. rd.) — 272 ^ sq. ft. 40 square rods 1 rood... | |
 | Edward Sylvester Ellis - Arithmetic - 1889 - 196 pages
...denomination, their product is the number of superficial units in the area. 144 square inches (sq. in. ) = J 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.... | |
 | 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... | |
 | John Edward King - Business mathematics - 1891 - 254 pages
...Square Measure or surface measure is used in computing areas or surfaces. TABLE. 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... | |
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Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. 
