 Measures of Surface. The unit upon which surface measure is based is the square yard, which is a square each of whose sides equals 1 yard. TABLE OF COMMON SURFACE MEASURE 144 square inches (sq. in.) — 1 square foot (sq. ft.) 9 square feet — 1 square...  Book III - Page 88by George William Myers - 1908Full view - About this book
 | Paul Allen Towne - Arithmetic - 1867 - 240 pages
...MEASURE is used in measuring surfaces, as land, plastering, etc. TABLE. 144 square inches (sq. in.) make 1 square foot . sq. ft. 9 square feet " 1 square yard . sq. yd. 30j square yards " 1 square rod . sq. r. 40 square rods " 1 rood . . . E. 4 roods " 1 acre ... A. 640 acres • " 1 square mile . M. KEMARK... | |
 | Joseph Ray - Arithmetic - 1857 - 358 pages
...I square, and 6 square miles, is 30 sq. miles. TABLE. 144 square inches make 1 square foot, marked sq. ft 9 square feet .... 1 square yard, . . . sq. yd. 30J square yards ... 1 sq. rod or perch, . . P. 40 perches 1 rood, R. 4 roods 1 acre, A. 640 acres 1 square mile, . . . sq.... | |
 | George Augustus Walton, Electa N. L. Walton - Arithmetic - 1869 - 176 pages
...used for finding the area of surfaces, or whatever has length and breadth. TABLE. 144 square inches z= 1 square foot, sq. ft. 9 square feet =. 1 square yard, sq. yd. 304- square yards, or > -, -, -, 212± square ieet } o<7Í>i c 4. ? — 1 square rod, sq. rd. 160 square... | |
 | George Augustus Walton, Electa N. L. Walton - Arithmetic - 1869 - 188 pages
...used for finding the area of surfaces. or whatever has length and breadth. TABLE. 144 square inches = 1 square foot, sq. ft. 9 square feet = 1 square yard, sq. yd. 304 square yards, or ) -, , , 272^ square feet J 0701 f 4. >— 1 square rod, sq. rd. 160 square roda... | |
 | George Payn Quackenbos - Arithmetic - 1869 - 348 pages
...long. A Square Foot is a square whose sides are each a foot long. A BQUABK Isrn. liach. 1 inch. TABLE. 144 square inches (sq. in.), 1 square foot, sq. ft. 9 square feet, 30} square yards, 40 square rods, 4 roods, 640 acres, •q. mi. A. 1 = K. 1 = 4 = sq.ri 1 = 1 square... | |
 | George Augustus Walton - Arithmetic - 1869 - 188 pages
...used for finding the area of surfaces, or whatever has length and breadth. TABLE. 144 square inches = 1 square foot, sq. ft. 9 square feet = 1 square yard, sq. yd. 30¿ square yarda, or J 1 rod rd> 272£ square feet } í * u 160 square roda = 1 acre, ... A. 640 acres... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1869 - 332 pages
...rectangle is equal to the product of the length by the breadth. Ta~ble. 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 or perch, P. 160 square rods or perches, 1 acre, A. 640 acres, 1 square... | |
 | Henry Bartlett Maglathlin - 1871 - 336 pages
...rectangle is equal to the product of the length by the breadth. Table. 144 square inches (sq. in.) make 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. 640 acres, 1 square mile, M. In surveying by Gunter's... | |
 | Daniel Barnard Hagar - Arithmetic - 1871 - 220 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. yd,. 30^ square yards " 1 sq. rod or perch. . P. 160 sq. rods or perches " 1 acre ^. 640 acres " 1 square... | |
 | Daniel Barnard Hagar - Arithmetic - 1871 - 352 pages
...Measures are those used in ascertaining the extent of surfaces. TABLE. 144 square inches (sq. in.) are 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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