Elements of Geometry and Trigonometry from the Works of A.M. Legendre: Revised and Adapted to the Course of Mathematical Instruction in the United StatesA.S. Barnes & Company, 1854 - 432 sider |
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Resultat 1-5 av 48
Side 21
... formed on the same side of the line BF , is equal to two right an- gles ; for , their sum is equal to that of the two adjacent angles BAC and CAF . B- D E -F A * In the references , A. stands for Axiom - D . for Definition - B . for ...
... formed on the same side of the line BF , is equal to two right an- gles ; for , their sum is equal to that of the two adjacent angles BAC and CAF . B- D E -F A * In the references , A. stands for Axiom - D . for Definition - B . for ...
Side 23
... In a similar manner it may be proved that ACE is equal to DCB . Scholium . The four angles formed about a point by two straight lines , which intersect each other , are together equal to four right angles . For , the sum of BOOK I. 23.
... In a similar manner it may be proved that ACE is equal to DCB . Scholium . The four angles formed about a point by two straight lines , which intersect each other , are together equal to four right angles . For , the sum of BOOK I. 23.
Side 24
... formed about the point C , by two lines F B E perpendicular to each other , their sum would be equal to the sum of the successive angles ACB , BCD , DCE , ECF , FCA . PROPOSITION V. THEOREM . If two triangles have two sides and the ...
... formed about the point C , by two lines F B E perpendicular to each other , their sum would be equal to the sum of the successive angles ACB , BCD , DCE , ECF , FCA . PROPOSITION V. THEOREM . If two triangles have two sides and the ...
Side 36
... formed take particu- lar names . Interior angles on the same side , are those which lie within the parallels , and on the same A- E -D H F -B side of the secant line ; thus , HGB , GHD , are interior angles on the same side ; and so ...
... formed take particu- lar names . Interior angles on the same side , are those which lie within the parallels , and on the same A- E -D H F -B side of the secant line ; thus , HGB , GHD , are interior angles on the same side ; and so ...
Side 38
... formed by a line cutting two parallel lines obliquely , the four acute angles are equal to each other , and so also are the four obtuse angles . t PROPOSITION XXI . THEOREM . If two straight lines meet a third line , making the sum of ...
... formed by a line cutting two parallel lines obliquely , the four acute angles are equal to each other , and so also are the four obtuse angles . t PROPOSITION XXI . THEOREM . If two straight lines meet a third line , making the sum of ...
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Elements of Geometry and Trigonometry from the Works of A.M. Legendre ... Adrien Marie Legendre,Charles Davies Uten tilgangsbegrensning - 1890 |
Elements of Geometry and Trigonometry from the Works of A.M. Legendre ... Charles Davies Uten tilgangsbegrensning - 1874 |
Elements of Geometry and Trigonometry from the Works of A.M. Legendre ... Adrien Marie Legendre,Charles Davies Uten tilgangsbegrensning - 1864 |
Vanlige uttrykk og setninger
adjacent angles altitude angle ACB angle BAD base ABCD bisect centre chord circ circumference circumscribed common comp cone consequently convex surface cosine Cotang cylinder diagonal diameter distance divided draw drawn edges equations equivalent feet figure find the area frustum given angle given line given point gles greater hence homologous homologous sides hypothenuse included angle inscribed circle intersect less Let ABC let fall logarithm magnitudes measured by half middle point number of sides oblique lines opposite parallelogram parallelopipedon pendicular perimeter perpendicular plane MN polyedral angle polyedron PROBLEM PROPOSITION pyramid quadrant radii radius ratio rectangle regular polygon right angles right-angled triangle Scholium secant segment side BC similar sine slant height solidity sphere spherical polygon spherical triangle square described straight line Tang tangent THEOREM triangle ABC triangular prism triedral angles vertex vertices
Populære avsnitt
Side 27 - If two triangles have two sides of the one equal to two sides of the...
Side 227 - A spherical triangle is a portion of the surface of a sphere, bounded by three arcs of great circles.
Side 256 - The logarithm of . the quotient of two numbers, is equal to the logarithm of the dividend diminished by the logarithm of the divisor.
Side 97 - 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.
Side 26 - The sum of any two sides of a triangle is greater than the third side.
Side 271 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...
Side 93 - The area of a parallelogram is equal to the product of its base and altitude.
Side 358 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Side 323 - A'B'C', and applying the law of cosines, we have cos a' = cos b' cos c' + sin b' sin c' cos A'. Remembering the relations a' = 180° -A, b' = 180° - B, etc. (this expression becomes cos A = — cos B cos C + sin B sin C cos a.
Side 64 - Two equal chords are equally distant from the centre ; and of two unequal chords, the less is at the greater distance from the centre.