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To measure a parallelogram, or long square. RULE. Multiply the length by the breadth, and the product will be the area, or superficial content.
Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain ... - Σελίδα 204
των Nathan Daboll - 1831 - 240 σελίδες
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## An Introduction to Mensuration and Practical Geometry

John Bonnycastle - 1829 - 252 σελίδες
...required. TIMBER MEASURE. PROBLEM I. To find the area, or superficial content of a board or plank. RULE. MULTIPLY the length by the breadth, and the product will be the content required. Note. — When the board is tapering, add the breadths of the two ends together,...

## A London Encyclopaedia, Or Universal Dictionary of Science, Art, Literature ...

Thomas Curtis - 1829
...are destituí« of timber of their own growth. Woodward. To find the superficial content of a plank, multiply the length by the breadth, and the product will be the required content. Ejumple. — The content of a board whose lentil is 5ft. 7in. and breadth 1ft. lOin.,...

## Conkling's Arithmetic: The Young Arithmetician's Guide to a Knowledge of ...

Thomas Conkling (W.) - 1831 - 275 σελίδες
...inch in a superficial foot. EM 1. To find the content of a square, having equal sides, or '•"ram, or long square. RULE. Multiply the length by the breadth, and the product will be the superficial content. The content of an oblong is found in the same manner only, the perpendicular breadth...

## A Short System of Practical Arithmetic: Compiled from the Best Authorities ...

William Kinne - 1831 - 240 σελίδες
...therefore r=4ac. 36 ro. 160 Ans. CASE 2.— To measure a parallelogram or long square. RULE.—Multiply the length by the breadth, and the product will be the area, or superficial content, in the same name as that, in which the dimension was taken, whether inches, feet, or rods, &c. EXAMPLES....

## A New and Easy Introduction to the Mathematics: Containing. A system of ...

Ira Wanzer - 1831 - 396 σελίδες
...parallelogram;* such as a board of equal width from end to end, or the floor of a square room, &c.; multiply the length by the breadth, and the product will be the answer. To find the solid content of any parallelopiped ;* such * 8ee I he definitions of these, terms...

## A New System of Arithmetick: In which the Rules are Familiarly Demonstrated ...

William Ruger - 1832 - 263 σελίδες
...itself, and the product will bf the area. How do you find the area of a parallelogram or long square ; A. Multiply the length by the breadth, and the product will be the area. Ho w do you find the area of a right angled triangle ? A. Bymultiplying the base by one half the perpendicular,...

## A Complete System of Mensuration of Superficies and Solids, of All Regular ...

Tobias Ostrander - 1833 - 159 σελίδες
...difference and the sum will be the length of the longest side, subtracted leaves the shortest, then multiply the length by the breadth and the product will be the area. EXAMPLES. lelogram. Ans. 30 and 20 chains, the length of the sides required, and the area, 60 acres....

## A system of practical arithmetic, comprehending numerous rules and examples ...

...and the gable 1 brick thick. Required the expense of the whole at £5. .16. per rod. BOARD MEASURE. RULE. Multiply the length by the breadth, and the Product will be the answer. (1) If a plank be 17^ inches broad and 29 feet long, what is the content? (2) What is the content...

## The American Student's Guide: Containing a Compendious System of Theoretical ...

George Alfred - 1834 - 312 σελίδες
...right by Practice Ans. 248 09", and.Duodecimals. PROBLEM 2. To find the area or superficial content of a parallelogram or long square. RULE. , Multiply the length by the breadth, and the product will be tht area or superficial content required. EXAMPLES. 1. What is the superficial content of a plank that...

## A treatise on practical geometry, mensuration, conic sections, gauging, and ...

...which is the answer. TIMBER MEASURE. PROBLEM I. To find the tuperficial content of a board or planfc. RULE. Multiply the length by the breadth, and the product will be the area. Nate. When the plank is broader at one end than at the other, add both ends together, and take half...