 | Henry Bartlett Maglathlin - 1871 - 336 pages
...breadth. Hence, The area of a rectangle is equal to the product of the length by the breadth. Table. 144 square inches (sq. in.) make 1 square foot, sq. ft. 9 square feet, 1 square yard, sq. yd. 30J square yards, 1 square rod or perch, P. 160 square rods or perches, 1 acre, A. 640 acres, 1 square... | |
 | Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1871 - 384 pages
...plastering, paving, &c. 12 in. = 1 ft. TABLE. 144 square inches (sq. in.) make 1 square foot, marked 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. UNIT EQUIVALENTS... | |
 | John Heywood (ltd.) - 1871 - 200 pages
...days. Every fourth year contains 366 days, and is called Leap Year. SQUARE MEASURE. 144 square inches make 1 square foot sq. ft. 9 square feet.. 1 square yard sq. yd. 30J square yards 1 square rod, pole, or perch sq.po. 40 perches .... 1 rood r. 4 roods 1 acre a. 040... | |
 | Daniel Barnard Hagar - Arithmetic - 1871 - 220 pages
...foot, a square yard, a square rod, an acre and a square mile. TABLE. 144 square inches (sq. in.) are 1 square foot ...sq. ft. 9 square feet " 1 square yard . sq. yd. 30i square yards " 1 sq. rod or perch. . P. 160 sq. rods or perches '' 1 acre A. 640 acres " 1 square... | |
 | Daniel W. Fish - Arithmetic - 1871 - 300 pages
...used in computing areas or surfaces ; as of land, boards, painting, plastering, paving, etc. TABLE. 144 square inches (sq. in.) make 1 square foot, sq. ft. 9 " feet 301 " yards 40 sq. rd. or perches (P.) 4 roods, or ) 160 sq. rods j 640 acres yard, sq. yd.... | |
 | Henry Bartlett Maglathlin - 1872 - 220 pages
...91. Surface or Square Measure is used in measuring surfaces. Table. 144 square inches (sq. in.) are 1 square foot, sq. ft. 9 square feet, 1 square yard, sq. yd. 30J square yards, 1 square rod or perch, P. 160 square rods or perches, 1 acre, A. 640 acres, 1 square... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1873 - 362 pages
...rectangle is equal to the product of the length by the breadth. Table. • 144 square inches (sq. in.) are 1 square foot, sq. ft. 9 square feet, 1 square yard, sq. yd. 30£ square yards, 1 square rod or perch, P. 16O square rods or perches, 1 acre, A. 640 acres, 1 square mile, M. In surveying by Gunter's... | |
 | Richard Rickard - 1873 - 374 pages
...contains 12 x 12, or 144 square inches ; and a square pole, sj x 5|, or 30^ square yards. MEASURES. 1 44 square inches (sq. in.) make 1 square foot (sq. ft.). 9 square feet „ 1 square yard(sq. yd.). 3o| square yards „ 1 square pole (sq. p.). This measure is used in measuring flooring,... | |
 | George Augustus Walton - Arithmetic - 1873 - 348 pages
...inch. These are the units of SQUARE MEASURE. TABLE. 144 square inches (sq. in.) = 1 square foot, marked sq. ft. 9 square feet = 1 square yard, " sq. yd, 30£ square yards or 2 72J square feet = 1 square rod, " sq. r. 160 square rods = 1 acre, " A. 640 acres = 1 square mile,... | |
 | Adolf Sonnenschein - 1873 - 194 pages
...nails) = 1 quarter (qr. ) 36 „ (4qrs.) = 1 yard (yd.) SQUARE MEASURE. 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30t square yards = 1 square pole (sq. pi.) 40 square poles = 1 rood (ro.) 4 roods (4840 yards) = 1... | |
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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. 
