 | Measuring instruments - 1919 - 276 pages
...=5,280 feet. 3 miles = 1 league =5,280 yards = 15,840 feet. SQUARE MEASURE. 144 square inches (sq. in.) =1 square foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.) = 1,296 square inches. 30i square yards =1 square rod (sq. rd.) = 272i square feet. 160 square rods... | |
 | Edson Homer Taylor - Mathematics - 1919 - 272 pages
...16£ feet = 1 rod (rd.) 320 rods or 5280 ft. = 1 mile (mi.) 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... | |
 | Webster Wells, Walter Wilson Hart - Arithmetic - 1919 - 440 pages
...inches each. 80 chains = 1 mile. Measures of Surface or 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 "I , , . . 43560 square feet } = l aCIe... | |
 | George Wentworth - 1919 - 266 pages
...mechanics, and others usually write 2' 6" for 2 ft. 6 in. 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.... | |
 | Eugene Henry Barker - Mathematics - 1920 - 264 pages
...out race-courses, is 40 rods or one eighth of a mile. Surface Measures 144 Square Inches (sq. in.)= 1 Square Foot (sq. ft.) 9 Square Feet = 1 Square Yard (.sq. yd.) 30 J Square Yards = 1 Square Rod (sq. rd.) 160 Square Rods = 1 Acre (A.) 640 Acres - 1 Square Hile... | |
 | Franklin Sherman Hoyt, Harriet E. Peet - Arithmetic - 1920 - 386 pages
...water. A knot =1.15 mi.; used in measuring distances at sea. SURFACE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 301 square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.... | |
 | George Pease Lord - Arithmetic - 1920 - 284 pages
...Measure 481. Square Measure is used in measuring extent of surfaces. TABLE 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.) 40 square rods = 1 rood (R.) 4 roods = 1 acre (A.) 640 acres... | |
 | John B. Gifford - Arithmetic - 1920 - 222 pages
...the sea it is 3 nautical miles; upon the land, 3 common miles. SURFACE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards! , , , , .«TOi r ,. i =1 square rod (sq. rd.) 272| square feet J l \ , / 160 square... | |
 | Marie Gugle - Mathematics - 1920 - 262 pages
...1.15 mi., used in measuring distances at sea. Square Measure for Surface 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.... | |
 | George Albert Wentworth, David Eugene Smith - Arithmetic - 1920 - 332 pages
...Table of Square Measure. The following is the table of 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... | |
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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. 
