 | John Charles Snowball - 1837 - 322 σελίδες
...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.... | |
 | Thomas Holliday - 1838 - 404 σελίδες
...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... | |
 | 1844 - 688 σελίδες
...A. 1 . Define a circle and the centre of a circle. What do you understand by an angle in a segment ? 2. The angles at the base of an isosceles triangle are equal to one another ; and if tbe equal sides be produced, the angles upon the other side of the base shall... | |
 | Great Britain. Council on Education - 1848 - 596 σελίδες
...another upon 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... | |
 | J. Goodall, W. Hammond - 1848 - 390 σελίδες
...another upon 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... | |
 | Great Britain. Committee on Education - 1848 - 606 σελίδες
...another upon 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... | |
 | Great Britain. Committee on Education - 1848 - 514 σελίδες
...a straight line perpendicular to a given straight line from a given point within it. 3. The angles at the base of an isosceles triangle are equal to each other, and if tho equal sides be produced the angles on the other side of the base shall be equal. Section 2. 1.... | |
 | 1863 - 830 σελίδες
...; 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... | |
 | 1852 - 512 σελίδες
...EXAMINATION OF CANDIDATES FOR CERTIFICATES OF MERIT. EASTER, 1852. EUCLID. SECTION I. — 1. The angles at the base of an isosceles triangle are equal to each other. 2. All the interior angles of any rectilineal figure, together with four right angles, are equal to... | |
 | Charles James Blomfield - 1853 - 452 σελίδες
...inserted in the ' Memento of Kuclid-' 1. That a circle is bisected by its diameter. 2. T hat the angles at the base of an isosceles triangle are equal to each other. 3. That two straight lines intersecting one another make the vertical angles, at the point of intersection,... | |
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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 sife of the base sJu1ll be equal. 
