| Horace William Brindley Joseph - 1906 - 564 Seiten
...the triangle in which it is contained are equal to two right angles, and to the fact that the angles **at the base of an isosceles triangle are equal to one another, and** shows now only that the angle in the semicircle must therefore necessarily be equal to the other two... | |
| Harold Henry Joachim - 1906 - 182 Seiten
...clearer if we consider a false negative and a true affirmative judgement. It is true that 'the angles **at the base of an isosceles triangle are equal to one another/** because (I presume) in the real counterpart of our judgement the angles are really united by the relation... | |
| 1907
...thought of the past. If Euclid were alive to-day (and I dare say he is), he would not say "the angles **at the base of an isosceles triangle are equal to one another."** He would say, "To me (a very frail and fallible being, remember) it does somehow seem that these two... | |
| 1915
...seat, has proven to us all that the angles at the base of an isosceles triangle are not equal, and that **if the equal sides be produced the angles on the other side of the base** are not equal either. Therefore, Mr. Speaker, may I be allowed to ask what I am to do about the matter.... | |
| Sir Max Beerbohm - 1922 - 197 Seiten
...thought of the past. If Euclid were alive to-day (and I dare say he is) he would not say, " The angles **at the base of an isosceles triangle are equal to one another."** He would say, "To me (a very frail and fallible being, remember) it does somehow seem that these two... | |
| Augustine Birrell - 1923
...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... | |
| Herbert George Wells - 1925
...demonstrate, for example, 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** are equal also; or that the square on the hypotenuse of a right-angled triangle is equal to the sum... | |
| Herbert George Wells - 1925 - 10 Seiten
...demonstrate, for example, 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** are equal also; or that the square on the hypotenuse of a right-angled triangle is equal to the sum... | |
| 1910
...Euclid in itself is not of much practical use — no one wants to prove in everyday life that the angles **at the base of an isosceles triangle are equal to one another** or that the three angles of a triangle are equal to two right angles, but you learn Euclid in order... | |
| William P. Berlinghoff, Kerry E. Grant, Dale Skrien - 2001 - 602 Seiten
...according to Euclid's description in the proof. Proposition 5: The angles opposite the equal sides **of an isosceles triangle are equal to one another; and, if the equal sides** are extended further, the angles made with the third side will be equal. Proof: Let ABC be an isosceles... | |
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