Mathematics, mechanics, heatAmerican School of Correspondence, 1903 - Engineering |
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Page 6
... Base 25 Semicircular Deviation 12 Logarithm of Product 25 Quadrantal Deviation 12 Logarithm of Fraction 26 The Heeling 12 Logarithm of Power 26 Leeway : 13 Logarithm of Root 26 Starboard Tack 13 Characteristic of Logarithms 29 Port Tack ...
... Base 25 Semicircular Deviation 12 Logarithm of Product 25 Quadrantal Deviation 12 Logarithm of Fraction 26 The Heeling 12 Logarithm of Power 26 Leeway : 13 Logarithm of Root 26 Starboard Tack 13 Characteristic of Logarithms 29 Port Tack ...
Page 19
... base ; but is an isosceles triangle , as DEF above , in which DE = D F , the third side E F is always considered the base . When any side has been taken as base , the opposite angle is called the vertical angle , and its vertex is ...
... base ; but is an isosceles triangle , as DEF above , in which DE = D F , the third side E F is always considered the base . When any side has been taken as base , the opposite angle is called the vertical angle , and its vertex is ...
Page 24
... base of an isosceles triangle bisects the base at right angles , and also bisects the triangle . Also the line drawn from the vertex perpendicular to the base of an isosceles triangle , bisects the base , the vertical angle , and the ...
... base of an isosceles triangle bisects the base at right angles , and also bisects the triangle . Also the line drawn from the vertex perpendicular to the base of an isosceles triangle , bisects the base , the vertical angle , and the ...
Page 30
... bases of a trapezoid are its parallel sides ; the altitude is the perpendicular distance between them . 105. The bases of a parallelogram are the side upon which it is supposed to stand and its parallel side ; the altitude is the ...
... bases of a trapezoid are its parallel sides ; the altitude is the perpendicular distance between them . 105. The bases of a parallelogram are the side upon which it is supposed to stand and its parallel side ; the altitude is the ...
Page 43
... base , bisects the base and also the vertical angle , ( by Theorem XXI , Corollary I ) . == Hence , angle AOC angle BO C , and arc AC = arc BC , ( Theorem XXXVII ) . Subtracting the equal arcs A C and B C from the semi - cir ...
... base , bisects the base and also the vertical angle , ( by Theorem XXI , Corollary I ) . == Hence , angle AOC angle BO C , and arc AC = arc BC , ( Theorem XXXVII ) . Subtracting the equal arcs A C and B C from the semi - cir ...
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.