 C will be found 9, the square root on D. For the square root of 144 : Set 1 on C to 10 on D ; then against 144 on C will be found the square root 12 on D. 42. To find the area of a board or plank : The rule is, to multiply the length by the breadth, the...  Elementary text book for young surveyors and levellers - Side 23av Henry James Castle - 1856 - 185 siderUten tilgangsbegrensning - Om denne boken
 | Henry Jackson - 1824 - 172 sider
...inches wide ? , Ans. 1 -J ft. CASE 2d. 1. Q. Hoai do yvu measure a parallelogram or long square 1 A. Multiply the length by the breadth; the product will be the area.* EXAMPLES. 1. A board is 14 ft long-, and loin, wide, how many square feerdoes it contain? 14X 15-T7l2=171... | |
 | William Grier - 1832 - 366 sider
...will be found the square root 12 on D. 42. To find the area of a board or plank : •The rule is, to multiply the length by the breadth, the product will be the area; therefore, by the sliding rule, Set 12 on B against the breadth in inches on A; then 011 the line A... | |
 | Tobias Ostrander - 1834 - 182 sider
...each. PROBLEM I. The length and breadth of a, rectangular parallelor gram are given, to find the area. Rule — Multiply the length by the breadth ; the product will be the area. EXAMPLES. 1. The longest side of a rectangular parallelogram is 24 rods, and the shortest 16 — What... | |
 | William Grier - 1836 - 384 sider
...C will be found the square root 12 on D. 42. To find the area of a board or plank : The rule is, to multiply the length by the breadth, the product will be the area; therefore, by the sliding rule, Set 12 on B against the breadth in inches on A ; then on the line A... | |
 | William Grier - 1842 - 320 sider
...C will be found the square root 12 on D. 42. To find the area of a board or plank : The rule is, to multiply the length by the breadth, the product will be the area ; therefore, by the sliding rule, Set 12 on B against the breadth in inches on A ; then on the line... | |
 | Daniel O'Gorman - 1847 - 152 sider
...of earth=l load. PROBLEM. To find the area or superficial content of a board or plank. THIS is THE RULE. Multiply the length by the breadth, the product will be the content. When the board is tapering, add both ends together, and half the sum will be a mean breadth;... | |
 | John Radford Young - 1852 - 230 sider
...abstract numbers. The direction for finding the surface of a rectangle is briefly expressed by saying, ' ' multiply the length by the breadth, the product will be the area in square feet, &c." The meaning is, that we are to multiply these measures together as if they were... | |
 | Daniel O'Gorman - 1853 - 246 sider
...MEASTTRE 1N FEET AND 1NCHES. PROBLEM 1. To find the area or superficial content of a board or plank. RULE. — Multiply the length by the breadth, the product will be the content. When the board is tapering, add both ends together, and half the sum will be the mean breadth... | |
 | J. R. Young - 1854 - 228 sider
...abstract numbers. The direction for finding the surface of a rectangle is briefly expressed by saying, * - multiply the length by the breadth, the product will be the area in square feet, &c." The meaning is, that we are to multiply these measures together as if they were... | |
 | Daniel O'Gorman - 1856 - 186 sider
...be found the fourth term 108 on A. PROBLEM 4. Superficial measure by the sliding rule. RULE 4. — Multiply the length by the breadth, the product will be the area. BIBECTION. — Set 12 on B against the breadth in inches on A : on the line A will be found the surface... | |
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