Libros Libros The angles at the base of an isosceles triangle are equal to each other ; and if the equal sides be produced, the angles on the other side of the base shall be equal. The Practical Teacher - Página 284
1882
Vista completa - Acerca de este libro ## The elements of plane trigonometry, Volumen1

John Charles Snowball - 1837
...С); Again, since each of the angles A, B, С is less than тг, .-. A + B + С<3тг. 22. The angles at the base of an isosceles triangle are equal to each other. (Fig. Art. 28.) Suppose ABC to be an isosceles triangle, having AB = AC, and therefore ¿ AOB = z AOC....
Vista completa - Acerca de este libro ## A complete treatise on Practical Land-Surveying, etc

Thomas Holliday - 1838 - 80 páginas
...perpendicular is the shortest straight line that can be drawn from the vertical angle to the base. Note 1. The angles at the base of an isosceles triangle are equal to each other. 2. A line drawn from the middle of the base of an isosceles triangle to the opposite angle is perpendicular...
Vista completa - Acerca de este libro ## Report to the Trustees of the Dick Bequest for the Benefit of the ..., Volumen2

1844
...horizon, in the same plane with it, are observed ; to find the distance between them. 1842. GEOMETRY. 1. The angles at the base of an isosceles triangle are equal to one another ; and if the equal sides be produced, the angles on the other side of the base are equal....
Vista completa - Acerca de este libro ## Euclid's Elements of geometry [book 1-6, 11,12] with explanatory notes ...

Euclides - 1845
...of the one equal to two sides, &c. Which was to be demonstrated. PROPOSITION V. THEOREM. The angles at the base of an isosceles triangle are equal to each other; and if the equal sides be produced, the angles on the other side of the base shall be equal. Let ABC...
Vista completa - Acerca de este libro ## First Lessons in Geometry: Upon the Model of Colburn's First Lessons in ...

Alpheus Crosby - 1847 - 164 páginas
...? a scalene triangle ? In the general proposition above are included the following particulars : ( 1 . ) The angles at the base of an isosceles triangle are equal. (2.) A triangle which has two equal angles is isosceles. (3.) An equilateral triangle is also equiangular....
Vista completa - Acerca de este libro ## Solutions to the questions of the general examination at Easter, 1848 ...

J. Goodall, W. Hammond - 1848
...Draw a straight line perpendicular to a given straight line from a given point in it. 3. The angles at the base of an isosceles triangle are equal to each other, and if the equal sides be produced the angles on the other side of the base shall be equal. SECTION...
Vista completa - Acerca de este libro ## The English Journal of Education, Volumen2

1848
...it. — See " Bell's Euclid," prop. i. book i. ; or " Tate's Geometry," &c. page 21. 3. The angles at the base of an isosceles triangle are equal to each other, and if the equal sides be produced, the angles on the other side of the base shall be equal. — See...
Vista completa - Acerca de este libro ## Report of the Committee of Council on Education (England and Wales ..., Tema 2

...one side of it are either two right angles, or are together equal to two right angles. 2. The angles at the base of an isosceles triangle are equal to each other. 3. Define parallel straight lines. State the axiom which you assume respecting such lines; and explain...
Vista completa - Acerca de este libro ## Minutes of the Committee of Council on Education, with Appendices, Volumen2

...one side of it are either two right angles, or are together equal to two right angles. 2. The angles at the base of an isosceles triangle are equal to each other. 3. Define parallel straight lines. State the axiom which you assume respecting such lines ; and explain...
Vista completa - Acerca de este libro ## General Report on Public Instruction in the Bengal Presidency

1863
...; prove that AC and BD bisect each other. Under wht circumstances will AC equal BD ? 8. The angles at the base of an isosceles triangle are equal to each other. Give Euclid's proof of this proposition. How might it be proved if you were permitted to bisect an...
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