Treatise on Geometry and Trigonometry: For Colleges, Schools and Private Students. Written for the Mathematical Course of Joseph Ray, M.D.Sargent, Wilson & Hinkle, 1868 - 420 σελίδες |
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Σελίδα ii
... applied . Ray's Test Examples : three thousand practical problems for the slate or blackboard . For drill exercises and review . Ray's New Elementary Algebra : a simple , thorough , and progressive elementary treatise . For Schools and ...
... applied . Ray's Test Examples : three thousand practical problems for the slate or blackboard . For drill exercises and review . Ray's New Elementary Algebra : a simple , thorough , and progressive elementary treatise . For Schools and ...
Σελίδα iv
... applied to Geometry , and the trig- onometrical functions are defined as ratios . This method has the advantages of being more simple and more brief , yet more comprehensive than the ancient geometrical method . For many things in these ...
... applied to Geometry , and the trig- onometrical functions are defined as ratios . This method has the advantages of being more simple and more brief , yet more comprehensive than the ancient geometrical method . For many things in these ...
Σελίδα 10
... applied to propositions , the demonstration of which is very brief and simple . 4. The reasoning by which a proposition is proved is called the DEMONSTRATION . The explanation how a thing is done constitutes the SOLUTION of a problem ...
... applied to propositions , the demonstration of which is very brief and simple . 4. The reasoning by which a proposition is proved is called the DEMONSTRATION . The explanation how a thing is done constitutes the SOLUTION of a problem ...
Σελίδα 21
... applied to another , and their form and extent compared . This is called the method of superposition , and is the most simple and useful of all the methods of demon- stration used in geometry . The student will meet with many examples ...
... applied to another , and their form and extent compared . This is called the method of superposition , and is the most simple and useful of all the methods of demon- stration used in geometry . The student will meet with many examples ...
Σελίδα 28
... applied to another , and the two will coincide to their mutual extent . line may be subtracted from another , by applying the less to the greater and noting the difference . 65. Problem . - A straight line may be multiplied by any ...
... applied to another , and the two will coincide to their mutual extent . line may be subtracted from another , by applying the less to the greater and noting the difference . 65. Problem . - A straight line may be multiplied by any ...
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adjacent angles altitude angles equal apothem axis base bisect chord circle circumference circumscribed coincide cone Corollary Corollary.-The cosine Cotang curved surface cylinder demonstrated diagonals diameter dicular diedral angle distance divided draw equally distant equivalent EXERCISES faces figure formula four right angles frustum functions Geometry given angle given line given point given straight line given triangle greater Hence homologous homologous lines hypotenuse included angle inscribed intersection isosceles join less let fall mantissa measured number of sides opposite sides parallel lines parallelogram parallelopiped perimeter perpen perpendicular plane polyedral polyedron prism Problem.-Given pyramid quadrilateral radius ratio regular polygon respectively equal right angled triangle secant similar similarly arranged slant hight sphere spherical excess spherical polygon spherical triangle square student subtracting symmetrical Tang tangent tetraedrons theorem Theorem.-The triangles are equal triedral trirectangular vertex vertices volume
Δημοφιλή αποσπάσματα
Σελίδα 183 - If two triangles have two sides of the one respectively equal to two sides of the other, and the contained angles supplemental, the two triangles are equal.
Σελίδα 238 - The volume of any parallelopiped is equal to the product of its base by its altitude.
Σελίδα 72 - Problem. — To draw a line through a given point parallel to a given line.
Σελίδα 141 - The square described on the hypothenuse of a right-angled triangle is equivalent to the sum of the squares described on the other two sides.
Σελίδα 91 - Conversely, if two angles of a triangle are equal, the sides opposite them are also equal, and the triangle is isosceles.
Σελίδα 173 - The areas of two circles are to each other as the squares of their radii ; or, as the squares of their diameters. 502. Corollary. — When the radius is unity, the area is expressed by -. 503. Theorem — The area of a sector is measured by half the product of its arc by its radius.
Σελίδα 240 - Corollary — The volume of any pyramid is equal to one-third of the product of its base by its altitude. For any pyramid...
Σελίδα 260 - The sum of the angles of a spherical triangle is greater than two and less than six right angles ; that is, greater than 180° and less than 540°. (gr). If A'B'C' is the polar triangle of ABC...
Σελίδα 137 - The squa/re described on the difference of two straight lines is equivalent to the sum of the squares described on the two lines, diminished by twice the rectangle contained by the lines.
Σελίδα 274 - The areas of the surfaces of two spheres are to each other as the squares of their radii, or as the squares of their diameters.