Hawney's Complete Measurer: Or, The Whole Art of Measuring. Being a Plain and Comprehensive Treatise on Practical Geometry and Mensuration

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F. Lucas, jr., 1820 - 312 páginas
 

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Página 59 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Página 29 - Reduce the fraction to its lowest terms, then extract the square root of the numerator for a new numerator, and the square root of the denominator for a new denominator.
Página 80 - To find the area of a parallelogram (65), whether it be a square, a rectangle, a rhombus, or a rhomboid. RULE. — Multiply the length by the breadth, or perpendicular height, and the product will be the area.
Página 242 - Windows are sometimes measured by taking the dimensions of one pane, and multiplying its superficies by the number of panes.' But, more generally, they measure the length and breadth of the window over all the panes and their frames for the length and breadth of the glazing. Circular or oval windows, as fan lights...
Página 41 - ... 2. Multiply each term in the multiplicand, beginning at the lowest, by the feet in the multiplier, and write...
Página 101 - Or, to take a case yet stronger, when it is affirmed, that " the area of a circle is equal to that of a triangle having the circumference for its base, and the radius for its altitude...
Página 165 - RULE. To twice the length of the base, add the length of the edge, multiply the sum by the breadth of the base, and this product by the perpendicular height of the wedge ; and | of the last product will be the solidity.
Página 89 - To the square of the base add the square of the perpendicular ; and the square root of the sum will give the hypothenuse (Prop.
Página 103 - As 7 is to 22, so is the diameter to the circumference; or, as 22 is to 7, so is the circumference to the diameter.
Página 105 - ... multiply the square of the diameter by ,7854 and the product will be- the area.

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