 | Eduard von Hartmann - 1884 - 728 Seiten
...consciousness, ie, our general assertion is confirmed here too. Eg, if I want to prove that the angles at the base of an isosceles triangle are equal to one another, I only need to remember the general proposition that in every triangle equal angles are opposite to... | |
 | Alfred Sidgwick - 1884 - 375 Seiten
...showing a valid reason why the assertion should deserve belief. So again, to prove that the angles at the base of an isosceles triangle are equal to one another, means to establish the truth of that proposition ; and the manner of performing the process certainly... | |
 | Eduard von Hartmann - 1884 - 1108 Seiten
...consciousness, ie, our general assertion is confirmed here too. Eg, if I want to pro.ve that the angles at the base of an isosceles triangle are equal to one another, I only need to remember the general proposition that in every triangle equal angles are opposite to... | |
 | Eduard von Hartmann, William Chatterton Coupland - 1884
...consciousness, ie, our general assertion is confirmed here too. Eg, if I want to prove that the angles at the base of an isosceles triangle are equal to one another, I only need to remember the general proposition that in every triangle equal angles are opposite to... | |
 | Oxford univ, local exams - 1885
...which Euclid proves the equality of two triangles. 2. What is Euclid's test of equality ? 3. The angles at the base of an isosceles triangle are equal to...other side of the base shall be equal to one another. 4. If a straight line be divided into any two parts, the rectangles contained by the whole and each... | |
 | 1885
...Euclid this name really belongs — the sth, 2oth or 47th. They are as follows : PROP. V. The angles at the base of an isosceles triangle are equal to...; and, if the equal sides be produced, the angles upon the other sides of the base shall be equal. PROP. XX. Any two sides of a triangle are together... | |
 | Augustine Birrell - 1885
...be more difficult to prove that the angles at the base of an isosceles triangle are equal, and that if the equal sides be produced, the angles on the other side of the base shall be equal, than it was to describe an equilateral triangle on a given finite straight line ; yet no one but an... | |
 | Augustine Birrell - 1885 - 115 Seiten
...be more difficult to prove that the angles at the base of an isosceles triangle are equal, and that if the equal sides be produced, the angles on the other side of the base shall be equal, than it was to describe an equilateral triangle on a given finite straight line ; yet no one but an... | |
 | Euclid, John Casey - 1885 - 312 Seiten
...after the student has read Prop. xxxn.) PEOP. V.— THEOREM. The angles (ABC, ACE) at the base (BC) of an isosceles triangle are equal to one another, and if the equal sides (AB, AC) be produced, the external angles (DBC, ECB) below the base shall be equal. Dem. — In BD... | |
 | Euclides - 1885
...after the student has read Prop. xxxu.) PROP. V.— THEOREM. The angles (ABC, ACB) at the base (BC) of an isosceles triangle are equal to one another, and if the equal sides (AB, AC) be produced, the external angles (DEC, ECB) below the base shall be equal. Dem. — In BD... | |
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THE angles at the base of an isosceles triangle are equal to one another : and, if the equal sides be produced, the angles upon the other side of the base shall be equal. 
