 | Caleb Alexander - 1813 - 152 páginas
...the Tjreadth in inches, and divide the product by 144, it will give the answer in feet : Or, if you multiply the length in feet by the breadth in inches, and divide by 12, it will give the answer in feet. EXAMPLES. 1. How many square feet in a board, 18 feet lomr, and 13... | |
 | Nathan Daboll - 1815 - 250 páginas
...feet are contained in it ? 18 incAes=l,5/eef, then 21x1,5=31,5 Jlns, Or, in measuring boards, you mar multiply the length in feet by the breadth in inches, and divide by 12, the quotient will give the answer in square feet, &c. Thus, in the. foregoing example, 21 x18-r-12=31,5... | |
 | Nathan Daboll - 1818 - 246 páginas
...feet are contained in it ? 18 inches<=l}5 feet, then 21 x 1,5=»31,5 Or, in measuring boards, you may multiply the length in feet by the breadth in inches, and divide by 12, the quotient will give the answer in square feet, &c. Thus, in the foregoing example, 2lxl8-f-12=31,5... | |
 | Nathan Daboll - 1821 - 244 páginas
...in it ? 18 inches— 1,5 feet, then 21x1,5=31,5 .0ns. Or, in measuring boards, you mav multiply tlie length in feet by the breadth in inches, and divide by 12, thft quotient will give the answer in square feet, £c. Thus, in the foregoing example, 21 x!8-r- 12=3... | |
 | Montgomery Robert Bartlett - 1828 - 426 páginas
...Parallelogram, chap. 34, page 542. The superficial contents of a board may be found by the following 1 RULE. Multiply the length in feet by the breadth in inches.;, and divide the product by lf", the quotient will be the answer.' Thus:— In a board 16 feet, G inches long, and... | |
 | Nathan Daboll - 1829 - 252 páginas
...are contained in it ? 18 inches=ï.5feet, then, 21 Xl,5=31,5. Ans. Or, in measuring boards, you may multiply the length in feet by the breadth in inches, and divide by 12, the. quotient will give the answer in square feet, &c. Thus, in the foregoing example, 21 X 18-:-12=3j,5... | |
 | William Kinne - 1829 - 246 páginas
...contained in it'.' 18 inches =1,5 foot. And '2 lx 1,5=31,5 feet. Ans. Or, in measuring boards, you may multiply the length in feet by the breadth in inches, and divide the product by 12 ; the quotient will give ihe answer in square feet, &c. 21x18 Thus, in the preceding... | |
 | Nathan Daboll - 1831 - 246 páginas
...inches broad ; how many square feet are contained in it? Or, in measuring boards, you may mnltiply the length in feet by the breadth in inches, and divide by 12, the quotient will give the answer in square feet, &c. Thus, in the foregoing example, 21x18-:- 12=31... | |
 | William Kinne - 1831 - 248 páginas
...contained in it? 18 inches = 1,5 foot. And 21 x 1,5=31,5 feet. Ans. Or, in measuring boards, you may multiply the length in feet by the breadth in inches, and divide the product by 12 ; the quotient will give the answer in square feet, &c. 21x18 Thus, in the preceding... | |
 | Jason M. Mahan - 1839 - 312 páginas
...square piece of timber, scantling, plank, 8,-c. having the length, breadth and thickness given. RULE. Multiply the length in feet by the breadth in inches, and divide by 12; the quotient will be the content in feet, at one inch thick, which multiply by the thickness in inches,... | |
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Or, in measuring boards, you may multiply the length in feet by the breadth in inches, and divide the product by 12 ; the quotient will give the answer in square feet, etc. 21x18 Thus, in the last example, =31^sq. ft., as before. 12 5. If a board be 8... 
