 | James Alexander McLellan, Albert Flintoft Ames - Arithmetic - 1897 - 368 pages
...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. mi.) 163. A township is 6 mi. square, and is divided, as in the accompanying figure, into 36 sections, each... | |
 | Wooster Woodruff Beman, David Eugene Smith - Arithmetic - 1897 - 236 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 mile square = 1 section. 36 square miles = 1 township. 100 square feet = 1 square (of roofs, etc.).... | |
 | Charles Edward White - Arithmetic - 1897 - 312 pages
...square 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.... | |
 | James Alexander McLellan, Albert Flintoft Ames - Arithmetic - 1898 - 280 pages
...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. mi.) ARITHMETIC UNITS OF TIME Measure of Time 60 seconds (sec.) = 1 minute (niin.) 60 minutes = 1 hour (hr.)... | |
 | Arthur A. Dodd, B. Thomas Chace - Geometry - 1898 - 468 pages
...marked 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 square yard = .8361 sq. m. 1 A. = .4047 hectare. CUBIC MEASURE. 1728 cubic inches (cu. in ) make... | |
 | Middlesex Alfred Bailey - Arithmetic - 1898 - 220 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.). 38. Prove that 144 sq. in. = 1 sq. ft. See p. 68. 39. Prove that 9 sq. ft. = 1 sq. yd. See p. 68. 40.... | |
 | Wilbur Fisk Nichols - Arithmetic - 1898 - 146 pages
...feet = 1 square yard (sq. yd.). 30e square yards, or I = i equare rod (sq. rd.). 272J square feet Í 160 square rods = 1 acre (a.). 640 acres = 1 square mile (sq. m.). SOLID OR CUBIC MEASURE. 1728 cubic inches (cu. in. ) = 1 cubic foot (cu. ft.). 27 cubic feet =... | |
 | James Morgan Rawlins - Mental arithmetic - 1899 - 196 pages
...Foot (sq. ft.). 9 Square Feet = 1 Square Yard (sq. yd.). 30J Square Yards = 1 Square Hod (sq. rd.). 160 Square Rods = 1 Acre (A.). 640 Acres = 1 Square Mile (sq. mi.). The name Rectangle applies to the square and to all other figures with four Kectangle. sides and four... | |
 | James Morgan Rawlins - Arithmetic - 1899 - 302 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.). ORAL EXERCISES. 1. How many square inches in : 1. 2 sq. ft. ? 3 sq. ft. ? 5 sq. ft. ? 10 sq. ft. ?... | |
 | George Edward Atwood - Arithmetic - 1899 - 392 pages
...9 square feet . . . = 1 square yard. . sq. yd. 30J sq. yd. ) = 1 s are rod _ _ s rd 272i sq. ft. ) 160 square rods . . = 1 acre .... A. 640 acres = 1 square mile . . sq. mi. 141. A Section of land is a square, mile, and contains 640 acres. 142. Roofing, flooring, and slating... | |
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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. 
