 | John Henry Walsh - Arithmetic - 1908 - 314 pages
...MEASUREMENTS. AREA OF RECTANGLES. 299. 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.) 300. The number of square inches (feet, yards, etc.) in a rectangle equals... | |
 | Earle Raymond Hedrick - Algebra - 1908 - 442 pages
...OF AREA 1. Table of English Measure of Area 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. mi.). 2. Table of Metric Measures of... | |
 | International Correspondence Schools - Telegraph - 1908 - 456 pages
...5,280 - 1,760 = 320-8-1 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. mi. sq. mi. A. sq. rd. sq. yd. sq.... | |
 | Samuel Hamilton - Arithmetic - 1908 - 512 pages
...it? how many acres? 22. Memorize this table : 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. mi.) 1 A. = 160 sq. rd. = 4840 sq. yd.... | |
 | Joseph Emerson Worcester - English language - 1908 - 400 pages
...marked sq. ft. 9 square feet = 1 square yard, " sq. yd. 272J4 square feet = 1 square rod, " sq. rd. 30% square yards = 1 square rod, " sq. rd. 40 square rods = 1 rood. 4 roods or 160 square rods = 1 acre. B40 acres = 1 sq. mile or 1 sq. section. SURVEYORS' MEASUBE. Used... | |
 | Joseph Emerson Worcester - English language - 1908 - 408 pages
...marked sq.fl 9 square feet = 1 square yard, " tq. yd, 27214 square feet = 1 square rod, " щ. rd 30'4 square yards = 1 square rod, " sq. rd 40 square rods = 1 rood. 4 roods or 160 square rods = 1 acre. 640 acres = 1 sq. mile or 1 sq. section. j cor(j SURVEYORS' MEASURE.... | |
 | James Charles Byrnes, Julia Richman, John Storm Roberts - 1909 - 246 pages
...yards = 1 mile (mi.) 5280 feet J 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. mi.) CUBIC MEASURE 1728 cubic inches (cu.... | |
 | DeForest A. Preston, Edward Lawrence Stevens - Arithmetic - 1910 - 274 pages
...MEASUREMENT OF FLAT SURFACES TABLE FOR AREAS 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.) Note. Care should be used not to confuse this table with Linear Inch... | |
 | International Correspondence Schools - Commercial correspondence - 1910 - 492 pages
...63,360 = 5,280 = 1,760=320 = 1 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. mi. sq. in. sq. ft. sg. yd. si}, rd. A. sq.mi.... | |
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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. 
