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«·’ðÕ… 46 - 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.˛
«·’ðÕ… 66 - ... are equal to two right angles. Let ABC be a triangle, and let one of its sides BC be produced to D ; the exterior angle ACD is equal to the two interior and opposite angles CAB, ABC ; and the three interior angles of the triangle, viz. ABC, BCA, CAB, are together equal to two right angles.˛
«·’ðÕ… 190 - RULE.* To the sum of the areas of the two ends add four times the area of a section parallel to and equally distant from both ends, and this last sum multiplied by £ of the height will give the solidity.˛
«·’ðÕ… 45 - A circle is a plane figure, bounded by a curved line, called the circumference, which is every where equidistant from a certain point within it, called the centre.˛
«·’ðÕ… 46 - A circle is a plane figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the center, Fig.˛
«·’ðÕ… 20 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.˛
«·’ðÕ… 45 - A Segment is any part of a circle bounded by an arc and its chord.˛
«·’ðÕ… 502 - The length shall be taken on a straight Line along the Rabbet of the Keel of the Ship, from the Back of the Main sternpost to a perpendicular Line from the Forepart of the Main Stem under the Bowsprit...˛
«·’ðÕ… 298 - Paper, viz. Brown Paper, made of old Rope or Cordage only, without separating or extracting the Pitch or Tar therefrom, and without any Mixture of other Materials therewith, the Ib.˛
«·’ðÕ… 68 - ... proportionally : and if the sides, or the sides produced, be cut proportionally, the straight line which joins the points of section, shall be parallel to the remaining side of the triangle.˛