 | James Bates Thomson - Arithmetic - 1878 - 202 pages
...inches ? 1 2 in. ? 9 in. ? 6 in. ? 4 in. ? 3 in. ? 87. Square Measure. 144 square in. (sq. in.) are 1 square foot, sq.ft. 9 square feet " 1 square yard, sq. yd. 30J square yards, or ) aj 1 square rod, 272£ square feet Í ( perch, or pole, 1 60 square rods " i... | |
 | Edgar Arthur Singer - 1878 - 196 pages
...square foot, square yard, square rod, acre, and square mile. Table. IJfJf square inches (sq. in.) are 1 square foot, sq.ft. 9 square feet " 1 square yard, sq. yd. 80-^ square yards " 1 square rod, sq. rd. 160 square rods " 1 acre, A. 640 acres " 1 square mile, sq.... | |
 | John William Marshall - Arithmetic - 1879 - 306 pages
...number AD by 4 ; if there be no remainder, it is Leap Year. SURFACE. 144 square inches (sq. in.) make 1 square foot (sq.ft.). 9 square feet „ 1 square yard (sq. yd.). 30¿ square yards „ 1 sq. rod, pole, or perch (p.). 40 poles „ 1 rood(rX 4 roods or 4840 sq. yards „ 1 acre (a.).... | |
 | George E. Seymour - Arithmetic - 1880 - 332 pages
...surfaces. 198. The unit is a square one foot on each side. SQUARE MEASURE. 144 Square Inches « make 1 Square Foot. sq.ft. 9 Square Feet 1 Square Yard. sq. yd. 30| Square Yards 1 Square Rod. sq. rd. 40 Square Rods 1 Rood. R. 4 Roods 1 Acre. A. 640 Acres 1 Square Mile. sq.mi.... | |
 | Daniel W. Fish - Arithmetic - 1881 - 542 pages
...i inch. having four right angles. A Square Inch is a square each side of which is 1 inch in length. TABLE. 144 Square Inches (sq. in.) = 1 Square Foot...Feet = 1 Square Yard . . . . sq. yd. 30} Square Yards = 1 Square Rod or Perch . sq rd., F*. 160 Square Rods = 1 Acre A. tq.mi. A. sq. rd. sq. yd. sq.ft.... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1881 - 418 pages
...surfaces. An Intii Square, or Square Innb. TABLE. 144 square inches (sq. in.) are 1 square foot, sq. ft. 9 square feet " 1 square yard, sq. yd. 30^ square yards, or 272J- sq. ft. " 1 square rod, sq. rd. 160 square rods " 1 acre, A. 040 acres . " 1 square mile, or section,... | |
 | Silas Sadler Packard, Byron Horton - Business mathematics - 1882 - 324 pages
...tenths. SQUARE MEASURE. 159. Square Measure is used in measuring surfaces. SURVEYORS' SQUARE MEASURE. TABLE. 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. NOTE. — 1 Rood =... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1882 - 398 pages
...surfaces. An Inch Hyuan, or Square Inch. TABLE. 144 square inches (sq. in.) are ] square foot, sq. ft. 9 square feet " 1 square yard, sq. yd. 30£ square yards, or 272 \ sq. ft. " 1 square rod, sq. rd. 160 square rods " 1 acre, A. 640 acres " 1 square mile, or section,... | |
 | George Albert Wentworth, Thomas Hill - Arithmetic - 1882 - 376 pages
...hour = 3600 seconds.) nnq MEASURES OF SURFACE. 144 square inches (sq. in.) = 1 square foot (sq. ft.) . 9 square feet = 1 square yard (sq. yd.). 30} square yards, or) .. , , , . 0»oi tjr — 1 square rod (sq. rd.). 272} square feet J ' \--rv 160 square rods, or! ,... | |
 | Charles Davies - Arithmetic - 1883 - 348 pages
...found? Repeat the table. What are the units of the scale ? TABLE. 144 square inches, sq. in., make 1 square foot, Sq.ft. 9 square feet - - 1 square yard, Sq. yd. 30 J square yards - 1 square rod or perch, P. 40 square rods or perches - 1 rood, - R. 4 roods - - - 1... | |
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Square Measure is used in measuring surfaces, as of land, boards, plastering, etc. The denominations are square inches, square feet, square yards, square rods, and square miles. 144 square inches (sq. in.) = 1 square foot (sq.ft.). 9 square feet — 1... 
