Books Books 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. How to Become Quick at Figures: Comprising the Shortest, Quickest, and Best ... - Page 115
by D. M. Garret - 1886 - 190 pages ## Vocational Mathematics, by William H. Dooley ...

William Henry Dooley - Mathematics - 1915 - 366 pages
...square foot, sq. ft. 9 square feet = 1 square yard, sq. yd. 30i square yards ) =1SUarer0d'Sq.rd. 160 square rods = 1 acre, A. 640 acres = 1 square mile, sq. mi. 1 sq. mi. = 640 A. = 102,400 sq. rd. = 3,097,000 sq. yd. Cubic Measure is used in measuring volumes... ## Essentials of Arithmetic: Intermediate Book

George Wentworth, David Eugene Smith - Arithmetic - 1915 - 316 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.) Cubic Measure 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu.... ## Essentials of Arithmetic: Primary Book

George Wentworth, David Eugene Smith - Arithmetic - 1915 - 312 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.) CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu.... ## Essentials of Arithmetic: Grammar School Book

George Wentworth, David Eugene Smith - Arithmetic - 1915 - 550 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.) We occasionally write sq.' for square feet and sq." for square inches. VOLUME 1728 cubic inches (cu.... ## Essentials of Arithmetic, Volume 3

George Wentworth, David Eugene Smith - Arithmetic - 1915 - 320 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.) We occasionally write sq.' for square feet and sq." for square inches. YojLtntB 1728 cubic inches (cu.... ## Grammar School Book

Florian Cajori - Arithmetic - 1915 - 464 pages
...foot (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 square miles = 1 township 1 acre = 43,560 sq. ft. One acre of land, in the form of a square, is... George Henry Van Tuyl - Business mathematics - 1915 - 466 pages
...foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) SOJ square yards = 1 square rod sq. rd.) 160 square rods, = 1 acre (A.) 640 acres . = 1 square mile (sq. mi.) 1 sq. mi. = 640 A. = 102,400 sq. rd. = 3,097,600 sq. yd. = 27,878,400 sq. ft. = 4,014,489,600 sq. in.... ## Vocational Mathematics

William Henry Dooley - Mathematics - 1915 - 364 pages
...1 square yard, sq. yd. 30} square yards ] n-nt t L t = 1 square rod, sq. rd. 272J square feet \ 160 square rods = 1 acre, A. 640 acres = 1 square mile, sq. mi. • 1 sq. mi. = 640 A. = 102,400 sq. rd. = 3,097,600 sq. yd. Cubic Measure is used in measuring volumes... ## Everyday Arithmetic: Book one-[three], Book 2

Franklin Sherman Hoyt, Harriet E. Peet - Arithmetic - 1915 - 296 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.). CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.). 27 cubic feet = 1 cubic yard (cu.... 