 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
 | Charles Potts - Arithmetic - 1835 - 202 pages
...Ans. 14 na. 10 nails ? LAND OR SQUARE MEASURE. Ans. .625 144 144 square inches =1 square foot. sq.ft. 9 square feet =1 square yard. sq. yd. 30;j square yards =1 square perch, P. ACl square perches =1 rood. R. roods =1 acre. A. 40 4 NOTE.—Land, as we have already observed... | |
 | John Husband (math. master, Berwick.) - 1841 - 126 pages
...being = 2J inches. SQUARE MEASURE. For estimating the contents of Surfaces. sq. in. 144 Square inches = 1 Square foot, sq. ft. 9 Square feet = 1 Square yard, sq. yd. 30£ Square yards = 1 Square pole. |J sq. po. 40 Square poles = 1 Rood, ro. 4 Roods = 1 Acre, ac. Note—The... | |
 | Charles Davies - Arithmetic - 1840 - 148 pages
...Land, or Square Measure, TABLE OF SQUARE MEASURE. 144 square inches, sq. in. make 1 square foot, sq.ft. 9 square feet - - - - 1 square yard, sq. yd. 30j square yards - - - - 1 square pole, - P. 40 square poles - - - - 1 rood, - - - R. 4 roods ------ 1 acre, - - - A. 640 acres ------... | |
 | Almon Ticknor - Arithmetic - 1848 - 124 pages
...flooring, &c. ; it has respect to length- and breadth, but not to depth. 144 square inches (sq. in.) make 1 square foot sq. ft. 9 square feet " 1 square yard sq. yd. 30J square yards (or 272-î ) .. , , , 40 square rods - - " 1 square rood - R. square feet) Г 1 squ.rodorpole rp 4... | |
 | Dennis McCurdy - Arithmetic - 1850 - 266 pages
...these 36 pieces measure? Ans.,944 E.E1. 3 na. SQUARE MEASURE. Table or Scale of the Denominations. 144 square inches, sq. in. =1 square foot, sq. ft. 9 square feet =1 square yard, sq. yd. 30|- sq. yards or 272^- sq. ft. =1 square rod, sq. po. 40 sq. poles, or 1210 sq. yds. — 1 rood, R.... | |
 | James L. Enos - Mental arithmetic - 1851 - 144 pages
...both considered, without regard to thickness. 144 square inches (sq. in.} make 1 square foot, sq.ft. 9 square feet " 1 square yard, sq. yd, 30J square yards " 1 sq. rod, or pole, P. 40 square r. or p. " 1 rood, R. 4 roods, or 160 sq. r. " 1 acre, A. 640 acres... | |
 | James Strachan (F.E.I.S.) - Arithmetic - 1852 - 98 pages
...small fraction more than 37 inches. SQUARE, OH LAND MEASUKE. 144 Square inches = 1 Square foot sq.ft. 9 Square feet = 1 Square yard sq. yd. 30j Square yards = 1 Square pole sq. po. 40 Square poles = 1 Eood ro. 4 Roods = 1 Acre ac. One square mile contains 640 imperial... | |
 | William Scott - Arithmetic - 1854 - 232 pages
...««S 437-5 =\ on. 3. SQUARE MEASURE. 144 square lines = 1 square inch (sq. in.) 144 square inches =1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30} square yards = 1 square pole (sq. po.) 40 square poles =1 rood (rd.) 4 roods = 1 acre (ac.) Also,... | |
 | David Henry Cruttenden - Arithmetic - 1854 - 70 pages
...roods, square rods, square yards, square feet, and square inches. -, 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. 40 square rods " 1 rood B. 4 roods " 1 acre A. I. ADDITION... | |
 | James B. Dodd - Arithmetic - 1859 - 368 pages
...in. long and 2 in. wide makes 4 square inches; and so on. Hence 144 square inches (sq. in.) make I square foot, sq. ft 9 square feet 1 square yard, sq. yd 30-J- square yards 1 perch or sq. rod, P. 40 perches 1 rood, R. 4 roods 1 acre, A. Also 640 acres make 1 square mile, or... | |
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