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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. "
How to Become Quick at Figures: Comprising the Shortest, Quickest, and Best ... - Page 115
by D. M. Garret - 1886 - 190 pages
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A Treatise on Chemistry and Chemical Analysis: Arithmetic, elementary ...

Chemistry - 1900 - 530 pages
...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...
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School Arithmetic; Advanced Book

John Marvin Colaw, John Kelley Elkwood - Arithmetic - 1900 - 450 pages
...(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.). . mi. A. sq. rd. sq. yd. sq. ft. sq. in. 1 = 640 = 102400 = 3097600 = 27878400 = 4014489600. 1. In...
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Complete Graded Arithmetic: Third Grade

George Edward Atwood - Arithmetic - 1901 - 170 pages
...feet =1 square yard . . . sq. yd. 30J sq. yd., or 272J sq. ft. . . = 1 square rod . . . sq. rd. 160 square rods = 1 acre A. 640 acres ' . . = 1 square mile . . . sq. mi. i A. = 160 sq. rd. = 4840 sq. yd. = 43,560 sq. ft. A Section of land is a square mile. Roofing, flooring,...
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Heath's Complete Practical Arithmetic

Charles Edward White - Arithmetic - 1901 - 472 pages
...yard, sq. yd. 0-70 t , С = 1 square rod, sq. rd. 30-V square yards ) . , 1 272J square feet | 160 square rods = 1 acre, A. 640 acres = 1 square mile, sq. mi. 1 sq. mi. = 640 A. = 102400 sq. rd. = 3097600 sq. yd. 189. A square mile of land is called a Section....
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New Practical Arithmetic

Eugene L. Dubbs - Arithmetic - 1901 - 462 pages
...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. Reduce : 1. 49 A. 50 sq. rd. to square rods. 2. 29 sq. yd. 6 sq. ft. 72 sq. in. to square inches. 3....
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A Textbook of Electric Lighting and Railways, Volume 1

International Correspondence Schools - Electric lighting - 1901 - 624 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. 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...
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The Business Man's Arithmetic: Containing an Application of a Natural ...

James Sherman Hunter - Arithmetic - 1902 - 426 pages
...43560 = 6272640 1=; 30i= 272l= 39204 1 = 9 = 1296 1 = 144 SCALE OF UNITS :— 144, 9, 30l, 40, 4, 640. Measure 209 feet on each side, and you have a square acre within an inch. NOTE. — Tb following gives the comparative size, in square }*ardn, of acres iu different countiies: English...
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Concrete Geometry: Introductory to Formal Plane Geometry

Theophilus Nelson - Geometry, Modern - 1902 - 154 pages
...equal 1 square foot. (sq. ft.) square feet " 1 " yard. (sq. yd.) square yards " 1 " rod. (sq. rd.) 160 square rods " 1 acre. (A.) 640 acres " 1 square mile. (sq. mi.) How many millimeters are there in one square centimeter ? Insert the proper numbers to make the following...
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The Model Practical Arithmetic

Edward Gideon - 1902 - 276 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. Note 1. — Surveyors2 Square Measures are used in measuring or computing the area of land. Table....
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The Arithmetic Help, for Pupils, Teachers, Business Men

Alvord D. Robinson - Arithmetic - 1902 - 570 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.) 10 square chains = 1 A. The English Square Measures are used in measuring cloth, ceilings, floors,...
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