| George Edward Atwood - Arithmetic - 1894 - 396 pages
...surfaces. 144 sq. in ..... =1 square foot . . sq. ft. 9 square feet . . . = 1 square yard. . sq. yd. 160 **square rods . . = 1 acre .... A. 640 acres ..... = 1 square mile . . sq. mi.** 141. A Section of laud is a square mile, and contains 640 acres. 142. Roofing, flooring, and slating... | |
| Albert Newton Raub - Arithmetic - 1894 - 170 pages
...square yards, or ) , . , „ Ğr,r>, „ t ~ 1 square rod or perch, rd. or P. 272^ square feet j 160 **square rods = 1 acre, A. 640 acres = 1 square mile, sq. mi.** NOTE. — The rood, equal to 40 square rods, is now but seldom used. 1. How many square inches in 2... | |
| Thomas Rhys Vickroy - Arithmetic - 1895 - 174 pages
...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.)** 1 sq. mi. = 640 A. = 102,400 sq. rd. = 3,097,600 sq. yd. = 27,878,400 sq. ft. = 4,014,489,600 sq. in.... | |
| George Washington Hull - Arithmetic - 1896 - 152 pages
...square foot, sq. ft. 9 square feet J 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.** EQUIVALENTS : 1 A. = 160 sq. rd. or P. (perches) = 4840 sq. yd. = 43,560 sq. ft. - 6,272,640 sq. in.... | |
| Frank H. Hall - Arithmetic - 1896 - 296 pages
...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. mi.).** 1 square mile = 1 section. 100 acres = 1 quarter section. 50. CUBIC MEASURE. 1728 cubic inches (cu.... | |
| Charles Edward White - Arithmetic - 1897 - 312 pages
...yard, sq. yd. 301 square yards ) -, , , 4 ^ • >- = 1 square rod, sq. rd. 272|- square feet ) i 160 **square rods = 1 acre, A. 640 acres = 1 square mile, sq. mi.** 1 sq. mi. = 640 A. = 102400 sq. rd. = 3097600 sq. yd. 130. A square mile of land is called a Section.... | |
| Wooster Woodruff Beman, David Eugene Smith - Arithmetic - 1897 - 236 pages
...(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.).** 1 mile square = 1 section. 36 square miles = 1 township. 100 square feet = 1 square (of roofs, etc.).... | |
| George Albert Wentworth, George Anthony Hill - Arithmetic - 1897 - 476 pages
...(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.).** Measures sometimes used for Special Purposes. 1 rood = 40 eq. rds. 1 square of flooring or roofing... | |
| William James Milne - Mental arithmetic - 1897 - 186 pages
...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.** CUBIC MEASURE TABLE 1728 Cubic Inches (cu. in.) = 1 Cubic Foot . . . cu. ft. 27 Cubic Feet = 1 Cubic... | |
| James Alexander McLellan, Albert Flintoft Ames - Arithmetic - 1897 - 368 pages
...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. mi.)** 163. A township is 6 mi. square, and is divided, as in the accompanying figure, into 36 sections, each... | |
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