 | William Scott - Arithmetic - 1854 - 232 pages
...degree llink 1 chain 3. SQUARE MEASURE. 144 square lines =1 square inch (sq. in.) 144 square inches =1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30J square yards = 1 square pole (sq. po.) 40 square poles = 1 rood (rd.) 4 roods = 1 acre (ac.) Also,—... | |
 | Roswell Chamberlain Smith - 1855 - 154 pages
...paving, flooring, plastering, roofing, slating, <fec., where only length and breadth are required. 144 square inches [sq. in.] make 1 square foot sq. ft. 9 square feet . . . make 1 square yard sq. yd 30-J- sq. yd. or 272j sq. ft make 1 sq. rod or pole p 40 square rods... | |
 | Daniel Leach - Arithmetic - 1855 - 180 pages
...to school ? Square Measure is used in measuring surfaces. TABLE. 144 Square Inches (sq. in.) . . = 1 Square Foot . sq. ft. 9 Square Feet = 1 Square Yard sq. yd. 30J Sq. Yds., or 272| Sq. Ft. . = 1 Square Rod . sq. r. 40 Square Rods = 1 Rood .... R 4 Roods = 1... | |
 | Roswell Chamberlain Smith - Arithmetic - 1856 - 334 pages
...breadth, gives its square measure, or, as it is sometimes called, its square contents, as in the following Table . 144 square inches [sq. in.] . make 1 square foot sq. ft. 9 square feet make 1 square yard sq. yd. 30J sq. yd. or 272^ sq. ft. . . make 1 square rod or pole. . . sq. r. 40... | |
 | Daniel Leach - 1857 - 314 pages
...= 1760 = 320 = 8 190080 = 15840 = 5280 = 960 = 24 Square Measure. • 144 square inches (sq. in.) = 1 square foot, sq. ft. 9 square feet = 1 square yard. sq. yd. 30±sq.yds.,272±sq. ft., = 1 square rod, sq. r. 40 square rods = 1 rood, . . R. 4 roods = 1 acre,... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 186 pages
...nails of cloth cost 25 cents, what cost 5 yards ? LESSON XXII. TABLE OF SURFACE, OR SQUARE MEASURE. 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 pole, p. 40 Square rods " 1 Rood, R. 4 Roods " 1 Acre, A. 640 Acres... | |
 | James B. Dodd - Arithmetic - 1859 - 368 pages
...1 in. wide makes 2 square inches; 2 in. long and 2 in. wide makes 4 square inches; and so on. Hence 144 square inches (sq. in) make 1 square foot, sq. ft 9 square feet 1 square yard, sq. yd 30-J- square yards 1 perch or sq. rod, P. 40 perches 1 rood, R. 4 roods 1 acre, A. An inch square is... | |
 | Horatio Nelson Robinson - Arithmetic - 1859 - 348 pages
...A board 20 in. long and 10 in. wide, is a rectangle, containing 20 X 10 = 200 square inches. 106 . Square Measure is used in computing areas or surfaces...as of land, boards, painting, plastering, paving, &c. 12 in. = 1 ft. TABLE. 144 square inches (sq. in.) make 1 square foot, marked sq. ft. 9 square feet... | |
 | Benjamin Greenleaf - Arithmetic - 1859 - 168 pages
...nails of cloth cost 25 cents, what cost 5 yards ? LESSON XXII. TABLE OF SURFACE, OR SQUARE MEASURE. 144 Square inches (sq. in. ) make 1 Square foot, sq. ft. 9 Square feet 30.1 Square yards 40 Square rods 4 Roods 640 Acres 1 Square yard, sq. yd. 1 Square rod or pole, p.... | |
 | Horatio Nelson Robinson - Arithmetic - 1860 - 444 pages
...measurements for computing area or surface are always taken in the denominations of linear measure. 283. Square Measure is used in computing areas or surfaces...of land, boards, painting, plastering, paving, etc. The unit is the area of a square whose side is the unit of length. Thus, the unit of square feet is... | |
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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. 
