 | Horatio Nelson Robinson - Arithmetic - 1877 - 212 pages
...surfaces ; as of land, boards, painting, plastering, paving, etc. TABLE. 144 Square Inches (sq. in.) make 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. mi.... | |
 | William Guy Peck - Arithmetic - 1877 - 430 pages
...inches (sq. in.) make 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. It is found convenient in practice to reduce square yards, square feet, and square inches, to quarter... | |
 | Horatio Nelson Robinson - Arithmetic - 1877 - 186 pages
...In 123 nails, how many yards ? 31. TABLE OP LAND OR SQUARE MEASURE. 144 square inches (sq. in.) make 1 square foot, sq. ft. 9 square feet " 1 square yard, sq. yd. 30^ square yards " 1 square rod, P. 40 square rods " 1 rood, R. 4 roods " 1 acre, A. 640 acres " 1... | |
 | James Stewart Eaton - 1877 - 200 pages
...length, 109. SQUARE MEASURE is used for measuring surfaces. TABLE. 144 Square Inches (sq. in.) make 1 Square Foot, sq. ft. 9 Square Feet ' 1 Square Yard, sq. yd. 30 J Square Yards or "» 272J Square Fejt J 40 Square Eods 4 Boods 640 Acres (a) Also in CHAIN MEASURE,... | |
 | Albert Newton Raub - Arithmetic - 1877 - 348 pages
...RULE. To find the area of a rectangle, multiply the length by the breadth ; the product is the area. TABLE. 144 square inches (sq. in.) = 1 square foot, sq. ft. 9 " feet =1 " yard, sq.yd. 30^ " yards ) or 2721 " feet J 100 " rods = 1 acre A. 640 acres = 1 square... | |
 | Daniel Bernard Hagar - Arithmetic - 1877 - 236 pages
...foot, a square yard, a square rod, an acre and a square mile. TABLE. 144 square inches (sq. in.) are 1 square foot< . . . sq. ft. 9 square feet ' ' 1 square yard . sq. yrL. 30^ square yards " 1 sq. rod or perch. . I 160 sq. rods or perches " 1 acre A 640 acres " 1 square... | |
 | George Payn Quackenbos - Arithmetic - 1879 - 198 pages
...square whose sides are each an inch long. TABLE OF SQUAEE ME AS ÜBE. 144 square inches (sq. in.), l square foot, sq. ft. 9 square feet, 1 square yard, sq. yd. 30J square yards, 1 square rod, sq. rd. 40 square rods, 1 rood, . . R. 4 roods, 1 acre, ... A. 640 acres, 1 square mile, sq. mi. 4. How many... | |
 | Benjamin Greenleaf - Arithmetic - 1879 - 238 pages
...159i Surface or Square Measure is used in measuring surfaces. Table. 144 square inches (sq. in.) are 1 square foot, sq. ft. 9 square feet, 1 square yard, sq. yd. 30J square yards, 1 square rod or perch, P. 160 square rods or perches, 1 acre, A. G40 acres, 1 square mile, M, Land is usually measured... | |
 | William Frothingham Bradbury - Arithmetic - 1879 - 392 pages
...inches 1 10. What part of a mile is 40 rods ? 11. How many inches in j of a yard? 234. SQUARE MEASURE. 144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.). Щ square yards, or) = l square rod (sq. rd.). 272} square feet ) 1 v ' ; 160 square rods = 1 acre... | |
 | Joseph Ray - Arithmetic - 1879 - 200 pages
...BREADTH. — Divide the area by the length. TABLE. 144 square inches (sq. in.) make 1 square foot, marked sq. ft. 9 square feet " 1 square yard, " sq. yd. 30J square yards " 1 square rd. or perch, " sq. rd. 160 square rods " 1 acre, " A. 640 acres " 1 square mile, " sq. mi. MENTAL... | |
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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. 
