The complete measurer: or, The whole art of measuring, containing the substance of Hawney's Mensuration, newly arranged, adapted to the present improved state of science, and incorporated with a variety of original and important matter

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الصفحة 47 - BAC is cut off from the given circle ABC containing an angle equal to the given angle D : Which was to be done. PROP. XXXV. THEOR. If two straight lines within a circle cut one another, the rectangle contained by the segments of one of them is equal to the rectangle contained by the segments of the other.
الصفحة x - An INTRODUCTION to the THEORY and PRACTICE of PLANE and SPHERICAL TRIGONOMETRY, and the Stereographic Projection of the Sphere, including the Theory of Navigation ; comprehending a variety of Rules, Formulae, &c.
الصفحة 37 - To find the area of a trapezoid. RULE. Multiply half the sum of the two parallel sides by the perpendicular distance between them : the product will be the area.
الصفحة 3 - 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 5 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
الصفحة 101 - The Slant height of a regular pyramid is the distance from the vertex to the middle of one of the sides of the base, or, if it be a cone, to the circumference of the base.
الصفحة 99 - To find the solidity of a cylinder. RULE. — Multiply the area of the base by the altitude, and the product will be the solidity.
الصفحة 49 - ... multiply the square of the diameter by ,7854 and the product will be- the area.
الصفحة 27 - The area of any figure is the space contained within the bounds of its surface. without any regard to thickness, and is estimated by the number of squares contained in the same ; the side of those squares being either an inch, a foot, a yard, a rod, &c.
الصفحة 195 - Required the quantity of plastering in a room, the length being 14 feet 5 inches, breadth 13 feet 2 inches, and height 9 feet 3 inches to the under side of the cornice, which girts...

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