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 من الصفحات
 

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الصفحة 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.
الصفحة 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.
الصفحة 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.
الصفحة 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...
الصفحة 41 - ... 2. Multiply each term in the multiplicand, beginning at the lowest, by the feet in the multiplier, and write...
الصفحة 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...
الصفحة 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.
الصفحة 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.
الصفحة 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.
الصفحة 105 - ... multiply the square of the diameter by ,7854 and the product will be- the area.

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