 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.  An Intellectual Arithmetic - Σελίδα 114των George Augustus Walton - 1873 - 176 σελίδεςΠλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | Wilbur Fisk Nichols - 1903 - 296 σελίδες
...ft.). 9 square feet = 1 square yard (sq. yd.). 30i square yards, or I = l 8quare rod (sq. rd.). 272Í square feet / 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 = 1 cubic... | |
 | Earle Bertram Norris, Kenneth Gardner Smith, Ralph Thurman Craigo - 1912 - 208 σελίδες
...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 mile (sq. mi.) 68. Area of a Circle. — If a circle is drawn in a square as shown in Fig. 19, it is easily seen... | |
 | John William Hopkins, Patrick Healy Underwood - 1912 - 282 σελίδες
...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.) EXERCISE 51 (Oral and Written) 1. How many square yards in 1 sq. rd.? In 2 sq. rd.? In 3 sq. rd.?... | |
 | George Albert Wentworth, David Eugene Smith - 1912 - 374 σελίδες
...square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 3O| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) sq. ft. sq. in. sq. yd. 1 = 144 sq. rd. 1 = 9 = 1296 1 = 30} = 272} = 30,204 160 = 4840 = 43,560... | |
 | General Railway Signal Company - 1915 - 435 σελίδες
...9 square feet ..... =1 square yard (sq. yd.) . rd.) square yards, . . . . = 1 square rod (sq. rd.) 160 square rods, . . . . = 1 acre (A) 640 acres, ....... =1 square mile (sq. mi.) 1 sq. mi. =640 acres = 102,400 sq. rd. = 3,097,600 sq. yd.= 27,878,400 sq. ft. =4,014,489,600... | |
 | United States. Bureau of Naval Personnel - 1913 - 144 σελίδες
...square foot (sq. ft. ) 9 square feet =1 square yard (sq. yd. ) 30A 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. 1 = 640=102,400=3,097,600=27,878,400=4,014,489,600. Scale... | |
 | International Correspondence Schools - 1913 - 456 σελίδες
...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. 640 acres =1 square mile sq. mi. sq. mi. A. sq. rd. sq. yd. sq. ft. sq. in. 1=640=102,400=3,097,600 = 27,878,400=4,014,489,600 SURVEYOR'S... | |
 | William Russell Will - 1913 - 320 σελίδες
...circumference of the earth. MEASURES OF SURFACE (sq. yd.); 30 J square yards = 1 square rod (sq. rd.); 160 square rods = 1 acre (A); 640 acres = 1 square mile (sq. mi.). 147. Surveyors' square measure is used by surveyors in measuring land. Scale: 10,000 square links... | |
 | Samuel Hamilton - 1913 - 338 σελίδες
...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.) 1 A. = 160 sq. rd. = 4840 sq. yd. = 43,560 sq. ft. Written Work Change : 1. 2700 sq. yd. to sq.... | |
 | General Railway Signal Company - 1913 - 454 σελίδες
...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.) 1 sq. mi. =640 acres = 102,400 sq. rd. =3,097,600 sq. yd.= 27,878,400 sq. ft. =4,014,489,600 sq.... | |
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