Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Libros Libros
" Hence a straight line drawn from the vertex of an isosceles triangle, to the middle of the base, is perpendicular to that base, and divides the vertical angle into two equal parts. "
Elements of Geometry...: Translated from the French for the Use of the ... - Página 9
por Adrien Marie Legendre, John Farrar - 1825 - 224 páginas
Vista completa - Acerca de este libro

An Introduction to the Theory and Practice of Plane and Spherical ...

Thomas Keith - 1810 - 478 páginas
...II. Hence every equilateral triangle is likewise equiangular, and the contrary. (I) COROLLARY III. A line drawn from the vertex of an isosceles triangle to the middle of the base, is perpendicular to, the base. For the two sides FB and BC are equal to the two sides FA and AC, and the angle FBC is equal...
Vista completa - Acerca de este libro

Elements of Geometry

Adrien Marie Legendre - 1819 - 574 páginas
...angle BAD = DAC, and that the angle BDA — ADC ; therefore these two last are right angles. Hence, a straight line drawn from the vertex of an isosceles...middle of the base, is perpendicular to that base, anil divides the vertical angle into two equal parts. In a triangle that is not isosceles, any one...
Vista completa - Acerca de este libro

The New Practical Builder and Workman's Companion, Containing a Full Display ...

Peter Nicholson - 1823 - 210 páginas
...C. 61. COROLLARY 1. — Hence every equilateral triangle is also equiangular. 62. COROLLARY 2. — A straight line drawn from the vertex of an isosceles triangle to the middle of the base will bisect the vertical angle, and be perpendicular to the base. THEOREM 12. 63. If two angles of...
Vista completa - Acerca de este libro

Elements of Geometry

Adrien Marie Legendre - 1825 - 570 páginas
...the angle BAD— DAC, and that the angle BDA = ADC ; therefore these two last are right angles. Henct a straight line drawn from the vertex of an isosceles...angle. In an isosceles triangle, the base is that side which is not equal to one of the others. THEOREM. 48. Reciprocally, if two angles of a triangle...
Vista completa - Acerca de este libro

Elements of Geometry...: Translated from the French for the Use of the ...

Adrien Marie Legendre, John Farrar - 1825 - 280 páginas
...angle BAD — DAC, and that the angle BDA = ADC ; therefore these two last are right angles. Hence a straight line drawn from the vertex of an isosceles...angle. In an isosceles triangle, the base is that side which is not equal to one of the others. THEOREM. / 1 48. Reciprocally, if two angles of a triangle...
Vista completa - Acerca de este libro

An Introduction to the Theory and Practice of Plain and Spherical ...

Thomas Keith - 1826 - 504 páginas
...II. Hence every equilateral triangle is likewise equiangular, and the contrary. (I) COROLLARY III. A line drawn from the vertex of an isosceles triangle to the middle of the base, is perpendicular to the base. For the two sides FB and вс are equal to the two sides FA and AC, and the angle FBC is...
Vista completa - Acerca de este libro

Elements of Geometry Upon the Inductive Method: To which is Added an ...

James Hayward - 1829 - 228 páginas
...PB, PC, AB, AC ; PB and PC will be equal (41), and AB and AC will therefore be equal; and AG will be a straight line drawn from the vertex of an isosceles triangle to the middle of the base; that is—BC is perpendicular to the oblique line AG, when it is perpendicular to the straight line...
Vista completa - Acerca de este libro

Elements of Geometry and Trigonometry: With Notes

Adrien Marie Legendre - 1830 - 344 páginas
...that the angle BAD is equal to DAC, and BDA to ADC ; hence the latter two are right angles ; hence the line drawn from the vertex of an isosceles triangle to the middle point of its base, is perpendicular to that base, and divides the angle at the vertex into two equal...
Vista completa - Acerca de este libro

Elements of Geometry and Trigonometry

Adrien Marie Legendre - 1836 - 394 páginas
...angle BAD, is equal to DAC, and BDA to ADC, hence the latter two are right angles ; therefore, the line drawn from the vertex of an isosceles triangle to the middle point of its base, is perpendicular to the base, and divides the angle at the vertex into two equal...
Vista completa - Acerca de este libro

An introduction to the theory ... of plane and spherical trigonometry ...

Thomas Keith - 1839 - 498 páginas
...Hence every equilateral triangle is likewise equiangular, and the contrary. (315) COROLLARY III. A line drawn from the vertex of an isosceles triangle to the middle of the base, is perpendicular to the base. For the two sides FB and BC are equal to the two sides FA and AC, and the angle FBC is equal,...
Vista completa - Acerca de este libro




  1. Mi biblioteca
  2. Ayuda
  3. Búsqueda avanzada de libros
  4. Descargar EPUB
  5. Descargar PDF