Elements of Drawing and Mensuration Applied to the Mechanic Arts: A Book for the Instruction and Use of Practical MenBarnes, 1846 - 240 σελίδες |
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Σελίδα 19
... or 360 degrees , since they are measured by the entire circumference . SECTION II . OF PLANE FIGURES . 1. What is OF . LINES AND ANGLES . 19 Sum of the Angles on the same Side of a Line Sum of the Angles about a Point.
... or 360 degrees , since they are measured by the entire circumference . SECTION II . OF PLANE FIGURES . 1. What is OF . LINES AND ANGLES . 19 Sum of the Angles on the same Side of a Line Sum of the Angles about a Point.
Σελίδα 28
... entire cir- cumference . B 18. What is an angle in a semicircle equal to ? An angle inscribed in a semicircle , is a right angle . Thus , if AB be the diameter of a cir- cle , then will the angle ACB be equal to 90 degrees . This angle ...
... entire cir- cumference . B 18. What is an angle in a semicircle equal to ? An angle inscribed in a semicircle , is a right angle . Thus , if AB be the diameter of a cir- cle , then will the angle ACB be equal to 90 degrees . This angle ...
Σελίδα 128
... entire space ? There are but three ; the equilateral triangle , the square or rectangle , and the hexagon . First . - Six equilateral triangles placed about the point C , will fill the entire space . For , each angle is equal to 60 ...
... entire space ? There are but three ; the equilateral triangle , the square or rectangle , and the hexagon . First . - Six equilateral triangles placed about the point C , will fill the entire space . For , each angle is equal to 60 ...
Σελίδα 129
... entire space . For , each angle is equal to 1200 , and the sum of the three to 120 ° x 3 = 360 ° . 47. How are similar polygons to each other ? Similar polygons are to each other as the squares described on their homologous sides . Thus ...
... entire space . For , each angle is equal to 1200 , and the sum of the three to 120 ° x 3 = 360 ° . 47. How are similar polygons to each other ? Similar polygons are to each other as the squares described on their homologous sides . Thus ...
Σελίδα 149
... entire surface is required . EXAMPLES . 1. Find the entire surface of the regular prism , whose base is the regular polygon ABCDE , and al- titude AF , when each side of the base is 20 feet , and the altitude AF 50 feet . AB + BC + CD + ...
... entire surface is required . EXAMPLES . 1. Find the entire surface of the regular prism , whose base is the regular polygon ABCDE , and al- titude AF , when each side of the base is 20 feet , and the altitude AF 50 feet . AB + BC + CD + ...
Άλλες εκδόσεις - Προβολή όλων
Elements of Drawing and Mensuration Applied to the Mechanic Arts. a Book for ... Charle Davies Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 feet 20 feet 9 inches ABCD altitude axis bisect body breadth called cavetto centre of gravity chains chord circular sector circumference cone convex surface cornice cottage cubic feet cubic foot cubic ft cubic inches curve cylinder decimal describe dimensions distance divided draw drawn ellipse entablature entire surface equal equilateral triangle EXAMPLES feet 6 inches figure find the area find the solidity frustum geometrical given line given point half Hence horizontal lines inscribed length lower base measure moulding Multiply nonagon object oblique elevation oblique lines ovolo parallel parallelogram pentagon perpendicular plane of projection polygon prism pulley pyramid quadrilateral radius rectangle regular represent Required the area right angles roof scale secant line segment shade side slant height solid content solid ft specific gravity sphere square feet square pyramid square yards straight line thickness upper base vertical
Δημοφιλή αποσπάσματα
Σελίδα 17 - Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.
Σελίδα 111 - The area of a rectangle is equal to the product of its base and altitude. Given R a rectangle with base b and altitude a. To prove R = a X b. Proof. Let U be the unit of surface. .R axb U' Then 1x1 But - is the area of R.
Σελίδα 170 - A zone is a portion of the surface of a sphere, included between two parallel planes which form its bases.
Σελίδα 149 - Multiply the area of the base by the altitude, and the product will be the solidity. 1. What is the solidity of a cylinder 8 feet in length and 2 feet in diameter?
Σελίδα 172 - The surface of a sphere is equal to the product of its diameter by the circumference of a great circle.
Σελίδα 225 - An equilibrium is produced in all the levers, when the weight multiplied by its distance from the fulcrum is equal to the product of the power multiplied by its distance from the fulcrum. That...
Σελίδα 111 - The area of a triangle is equal to half the product of the base and height.
Σελίδα 23 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Σελίδα 240 - As the tabular specific gravity of the body, Is to its weight in avoirdupois ounces, So is one cubic foot^ or 1728 cubic inches, To its content in feet, or inches, respectively.
Σελίδα 125 - Similar figures, are those that have all the angles of the one equal to all the angles of the other, each to each, and the sides about the equal angles proportional.