 | Henry Bartlett Maglathlin - Arithmetic - 1882 - 212 pages
...Measures arc those used in measuring surfaces. I Square Inch. 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, sq. rd. 160 square rods " 1 acre, A. 219. ORAL EXERCISES. 1. How long... | |
 | Henry Francis Harrington - Spellers - 1880 - 208 pages
...Square Measure. Surface or Square Measure is used in computing surfaces. 144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.) 30i square yards = 1 square rod (sq. rd.). 160 square rods = 1 acre (A.). 12 inches (in ) — 1 foot... | |
 | George Albert Wentworth, Thomas Hill - Arithmetic - 1883 - 378 pages
...miles per hour ? (One hour = 3600 seconds.) nnn MEASURES OP SURFACE. 144 square inches (sq. in.) = 1 square foot (sq. ft.) . 9 square feet = 1 square yard (sq. yd.). 30} square yards, or") , . . . . n-rni tjr = 1 square rod (sq. rd.). 272J square feet J * \ i / 160 square rods, or)... | |
 | Warren H. Sadler, William Russell Will - Arithmetic - 1885 - 422 pages
...surfaces ; such as land, boards, plastering, painting, paving, etc. Table. 144 square inches [sq. in.] = 1 square foot [sq. ft.]. 9 square feet = 1 square yard [sq. yd.]. 30J square yards = 1 pole, perch, or square rod [P. or sq. rd.]. 160 square rods = 1 acre [A.], 640... | |
 | George Albert Wentworth - Arithmetic - 1886 - 392 pages
...the number of linear units in its adjacent side, UNITS OF SURFACE. 16L 144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.). 30} square yards, or J _ 1 e rod ( rf } 272} square feet, ) J 160 square rods, or 1 =l acre (A . 10 square chains, )... | |
 | Edward Sylvester Ellis - Arithmetic - 1886 - 200 pages
...denomination, their product is the number of superficial units in the area. 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.... | |
 | D. M. Garrett - Arithmetic - 1886 - 210 pages
...EXTENT OF SURFACES, SUCH AS LAND, BOARDS, PLASTERING, PAVING, ETC. TABLE. n.44Square!nches(sq.in.) 1 square foot, sq. ft. 9 Square Feet, .... 1 square yard, sq. yd. 30J Square Yards, . . . 1 sq. rodorperch, sq. rd.; P. 160 Square Rods 1 acre, A. 640 Acres, 1 square... | |
 | D. M. Garret - Arithmetic - 1886 - 202 pages
...EXTENT OF SURFACES, SUCH AS LAND, BOARDS, PLASTERING, PAVING, ETC. TABLE. 144 Square Inches (sq. in.) l square foot, sq. ft. 9 Square Feet, .... 1 square yard, sq. yd. 30J Square Yards, . . . 1 sq. rod or perch, sq. rd.; P. ItiO Square Rods, .... 1 acre, A. 640 Acres,... | |
 | Christian Brothers - Arithmetic - 1888 - 484 pages
...breadth. 159. The Unit of Surface Measure is the square yard. 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. 640 acres... | |
 | 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... | |
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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. 
