 | Charles Davies - Arithmetic - 1844 - 358 pages
...square inches contained in a square foot is equal to 12x12 = 144. 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 pole, P. 40 square poles 4 roods 640 acres j. ouuo.it ya.iuĞ R. .9. M. ARP Sq. yd. Sq. ft. Sq. in.... | |
 | Edward Brooks - Arithmetic - 1878 - 138 pages
...used in measuring gurfaces; as land, boards, papering, plastering, etc. TABLE. 144 square inches (sq. in.) equal 1 square foot, . sq.ft. 9 square feet ... "1 square yard, . gq. yd. 30} square yards ... "1 perch or sq. rod, P. 160 perches "1 acre A. 640 acres "1 square mile,... | |
 | Edward Brooks - Arithmetic - 1893 - 124 pages
...used in measuring surfaces; as land, boards, papering, plastering, etc. TABLE. 144 square inches (sq. in.) equal 1 square foot, . sq.ft. 9 square feet ... " 1 square yard, . sq. yd. 30J square yards . . . " 1 perch or sq. rod, P. 160 perches " 1 acre, . . . . A. NOTE.—... | |
 | 1897 - 366 pages
...written as so many hundredths of a chain. SQUARE MEASURE. TABLE 5. 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.mi. sq.mi. A. sq.rd. sq.yd. sq.ft. sq.in.... | |
 | International Correspondence Schools - Surveying - 1898 - 518 pages
...written as so many hundredths of a chain. SQUARE MEASURE. TABLE 5. 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.mi sq.mi. A. sq.rd. sq.yd. sq.ft. sq.in.... | |
 | Edward Brooks - Arithmetic - 1898 - 170 pages
...used in measuring surfaces; as land, boards, papering, plastering, etc. TABLE. 144 square inches (.47. in.) equal 1 square foot, . sq.ft. 9 square feet ... " 1 square yard, . sq. yd, Щ square yards ..." 1 perch or sq. rod, P. 160 perches "1 acre, . . . . A. 040 acres , ,... | |
 | James Charles Byrnes, Julia Richman, John Storm Roberts - Arithmetic - 1911 - 264 pages
...Tables of Measures Areas or Surface Measures 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. mi.) TABLES OF MEASURES Length... | |
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... yards in 2 miles and 120 rods? 4. How many feet and inches in 125 in.? 5. How many yards in 72 in.? In 156 in.? 6. How many miles and rods in 644 rd.? SURFACE MEASURE. 4. SURFACE or SQUARE MEASURE is used in measuring surfaces; as land, boards, papering,... 