Mathematics, mechanics, heatAmerican School of Correspondence, 1903 - Engineering |
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Page 3
... surface that a straight line joining any two of its points is wholly in the surface . 12. A Solid has length , breadth , and thickness . 13. The boundaries of solids are surfaces ; of surfaces , lines ; the ends of lines are points . 14 ...
... surface that a straight line joining any two of its points is wholly in the surface . 12. A Solid has length , breadth , and thickness . 13. The boundaries of solids are surfaces ; of surfaces , lines ; the ends of lines are points . 14 ...
Page 57
... surface . It is expressed in units , which represent the number of times the polygon contains the square unit that is taken as a standard . This unit is called the unit of surface , and is usually adopted arbitrarily . 188. The usual ...
... surface . It is expressed in units , which represent the number of times the polygon contains the square unit that is taken as a standard . This unit is called the unit of surface , and is usually adopted arbitrarily . 188. The usual ...
Page 59
... surface , ( Article 186 ) . Hence , area of Aa x b . A is the area of A. B 195. Corollary . The area of a square is equal to the square of one of its sides . 196 . THEOREM LXIV . The area of a parallelogram GEOMETRY . 59.
... surface , ( Article 186 ) . Hence , area of Aa x b . A is the area of A. B 195. Corollary . The area of a square is equal to the square of one of its sides . 196 . THEOREM LXIV . The area of a parallelogram GEOMETRY . 59.
Page 3
... surface is equi- distant from a fixed point within , called the center . A diameter of a sphere is any straight line passing through the center and extending in both directions to the surface . A great circle is any circle whose plane ...
... surface is equi- distant from a fixed point within , called the center . A diameter of a sphere is any straight line passing through the center and extending in both directions to the surface . A great circle is any circle whose plane ...
Page 4
... surface drawn through both poles and at right angles to the equator . They are called meridians because they mark the places which have noon at the same time . For instance , N QS of Fig . 1 is a meridian , also NRS , and the other ...
... surface drawn through both poles and at right angles to the equator . They are called meridians because they mark the places which have noon at the same time . For instance , N QS of Fig . 1 is a meridian , also NRS , and the other ...
Common terms and phrases
acting altitude amount beam body called center of gravity chart circle coefficient compass Corollary course cubic dead reckoning decimal degrees diameter direction distance divided earth elastic elastic limit energy equal equation EXAMPLES FOR PRACTICE factor of safety feet per second foot foot-pounds force formula friction gear given greater Greenwich mean heat Hence hour angle hypothenuse kinetic latitude length liquid load logarithm longitude magnetism mantissa mercury meridian miles minute molecules motion move multiplied Nautical orifice parallel parallelogram pendulum perpendicular plane polygon position poundal pounds per square pressure proportional pulley quadrant radius resultant revolutions revolutions per minute right angles right triangles sextant shaft ship ship's side specific gravity square inch straight line stress substance surface temperature Theorem tion triangles A B C unit velocity vertical vessel weight wheel wrought iron
Popular passages
Page 70 - PROBLEM. To inscribe a circle in a given triangle. Let ABC be the given triangle : it is required to inscribe a circle in the triangle ABC.
Page 39 - 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.
Page 32 - If the diagonals of a quadrilateral bisect each other, the figure is a parallelogram.
Page 6 - Every body continues in its state of rest, or of uniform motion in a straight line, unless it is compelled to change that state by forces impressed upon it.
Page 7 - If, at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line.
Page 54 - If two polygons are composed of the same number of triangles, similar each to each and similarly placed, the polygons are similar.
Page 21 - If two triangles have two sides, and the included angle of the one equal to two sides and the included angle of the other, each to each, the two triangles are equal in all respects.
Page 31 - If two sides of a quadrilateral are equal and parallel, the figure is a parallelogram.
Page 60 - The area of a triangle is equal to one-half the product of its base and altitude.
Page 46 - An angle formed by a tangent and a chord is measured by onehalf the intercepted arc.