| William James Milne - Arithmetic - 1892 - 440 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.** sq. mi. A. sq. rd. sq. yd. sq. ft. sq. in. 1 = 640 = 102400 = 3097600 = 27878400 = 4014489600 Scale.... | |
| George Albert Wentworth - Algebra - 1892 - 312 pages
...(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.).** III. VOLUME. 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.). 27 cubic feet = 1 cubic yard (cu.... | |
| Horatio Nelson Robinson - Arithmetic - 1892 - 236 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.** SURVEYORS' SQUARE MEASURE. 144. This measure is used by surveyors in computing the area or contents... | |
| Horatio Nelson Robinson - Arithmetic - 1892 - 430 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.** Artificers estimate their work as follows : By the square foot ; glazing and stone-cutting. By the... | |
| Webster Wells - Arithmetic - 1893 - 382 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.)** It follows from the above that 1 acre = 43560 square feet. 10 square chains are equal to one acre.... | |
| John Williston Cook, Nebraska C. Cropsey - Arithmetic - 1893 - 314 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.).** 13. A surface has two dimensions, length and breadth. A plane surface which has four square corners... | |
| Eugene L. Dubbs - Arithmetic - 1893 - 238 pages
...square feet - - - " 1 square yard, " sq. yd. 30^ square yards - - - "• 1 square rod, " sq. rd. 1 60 **square rods - - - " 1 acre, " A. 640 acres -•----" 1 square mile, " sq. mi.** 1. How many square inches in 2 sq. ft.? in 5? in 10? 2. How many square feet in 4 sq. yd. ? in 7? in... | |
| William James Milne - Arithmetic - 1893 - 252 pages
...9 square feet = 1 square yard (sq. yd.). SOt square yards j = le ro(J ( rd } 272} square feet / 160 **square rods = 1 acre (A.). 640 acres = 1 square mile (sq. mi.).** EXERCISES. 1. How many sq. in. are there in 2 sq. ft. ? In 3 sq. ft. ? 2. How many sq. ft. are there... | |
| 1893 - 258 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.).** 36 sq. mi. (6 miles square) = 1 Township ( Tp. ). CUBIC MEASURE. 241. Cubic Measure is used in measuring... | |
| Oscar F. Williams - Arithmetic - 1894 - 330 pages
...sq. ft. 9 square feet = 1 square yard sq. yd. 30J square yards, or ) 1 rod d 272^ square feet ) 160 **square rods = 1 acre A. 640 acres - = 1 square mile sq. mi.** 36 square miles (6 miles square), = 1 township Tp. Scale, descending, 36, 640, 160, 30^, 9, 144; ascending,... | |
| |