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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. "
The examination papers as set for the preliminary literary examination of ... - Σελίδα 8
των Royal college of surgeons of England - 1860
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A Text-book of Euclid's Elements for the Use of Schools, Books I.-IV., Βιβλίο 1

Henry Sinclair Hall, Frederick Haller Stevens - 1900 - 304 σελίδες
...BCD equal to the angle ADC : prove that BD is equal to AC. II.SB B PROPOSITION 5. THEOREM. The angles at the base of an isosceles triangle are equal to...produced, the angles on the other side of the base shall also be equal to one another. A Let ABC be an isosceles triangle, in which the side AB is equal to...

Report of the Department of Education for the Year ...

Manitoba. Department of Education - 1900
...of a Problem, and of a Theorem consist ? Distinguish them in questions two and three of this paper. 2. The angles at the base of an isosceles triangle are equal and if the equal sides be produced the angles on the otber side of the base are also equal. 3. To draw...

Calendar

University of Sydney - 1901
...the whole distance from A to B being fifteen miles. GEOMETRY. TWO HOUBS AXD A-IIALK. 1. The angles at the base of an isosceles triangle are equal to one another, and, if the equal sides are produced, the angles on the other side of the base are also equal. 2. Describe a triangle, having...

The First Men in the Moon

Herbert George Wells - 1901 - 342 σελίδες
...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...

Logic; Or, The Analytic of Explicit Reasoning

George Hugh Smith - 1901 - 266 σελίδες
...slight variation in the statement of it to make this apparent, as, eg, as follows: Prop. V. The angles at the base of an isosceles triangle are equal to one another. Or, referring to the figure, in the isosceles triangle ABC the angles a and c are equal. The figure...

The School World, Τόμος 3

1901
...BOOKS I. AND II. (1) Define a plane surface, a plane figure and a circle. Write out the Postulates. (2) The angles at the base of an isosceles triangle are equal, 234 [JUNE, 1901. and if the equal sides be produced the angles on the other side of the base are equal....

Annual Report of the Commissioners ..., Τόμος 67

1901
...Prove that equal triangles on the same base and on the same side of it are between the same parallels. 2. The angles at the base of an isosceles triangle are equal, and if the equal sides be produced, the external angles below the base shall be equal. Prove this proposition....

Logic

George Hugh Smith - 1901 - 266 σελίδες
...slight variation in the statement of it to make this apparent, as, eg, as follows: Prop. V. The angles at the base of an isosceles triangle are equal to one another. Or, referring to the figure, in the isosceles triangle ABC the angles a and c are equal. The figure...

Collected Essays, Τόμος 1

Augustine Birrell - 1902
...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...

Manual

1903
...not measure it off with a graduated scale? How would you draw half a dozen such lines? 3. The angles at the base of an isosceles triangle are equal to one another : and, if the sides be produced, the angles on the other side of the base are also equal. 4. Show how to draw a straight...




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