 | Robert Simson - 1806 - 546 σελίδες
...are opposite shall be equal, each to each. Which was to be demonstrated. PROP. V. T1IEOR. THE angles at the base of an isosceles triangle are equal to...be an isosceles triangle, of which the side AB is C Book I. equal to AC, and let the straight lines AB, AC be produced to *— v-' D and E ; the angle... | |
 | John Playfair - 1806 - 320 σελίδες
...Which was to be demonstrated. PROP. V. THEOR. THE angles at the base of an isosceles triangle are N. equal to one another ; and, if the equal sides be.,...produced, the angles upon the other side of the base shall also be equal. Let ABC be an isosceles triangle, of which the side AB is equal to AC, and let the straight... | |
 | Euclid - 1810 - 554 σελίδες
...Which was to ^ be demonstrated. PROP. V. THEOR. THE angles at the base of an isosceles triangle arc equal to one another; and, if the equal sides be produced,...be an isosceles triangle, of which the side AB is C Book I. equal to AC, and let the straight lines AB, AC be produced to . v^"*"w D and E, the angle... | |
 | John Mason Good - 1813 - 714 σελίδες
...each, viz. those to which the equal sides are opposite. Prop. V. Theor. The angles at the base of ло isosceles triangle are equal to one another; and,...angles upon the other side of the base shall be equal. •Prop. VI. Tbeor. If two angles uf -a ti ian-1«** •fiu:i! to one another, the sides also which... | |
 | Euclides - 1814 - 560 σελίδες
...each. Which was to be demonstrated. PROP. V. THEOR. THE angles at the base of an isosceles'triangle are equal to one another; and if the equal sides be...equal. Let ABC be an isosceles triangle, of which the Mile AB is Boo* I. equal to AC, and let the straight lines AB, AC be produced s- ~v~' to D and E, the... | |
 | John Gummere - 1814 - 398 σελίδες
...the acute angles be subtracted from 90% the remainder will be the other acute angle. r 8. The angles at the base of an isosceles triangle are equal to one another. 9. If one side of a triangle be produced, the external angle will be equal to the sum of the two internal... | |
 | Euclides - 1816 - 588 σελίδες
...demonstrated. PROP. V. THEOR. THE angles at the base of an isosceles triangle are equal to one andther; and if the equal sides be produced, the angles upon the other side of the base••shall be equal. , JL ABC be an isoscefes triangle, of which the side AB is B*o* I. equal... | |
 | Euclid, Robert Simson - 1821 - 514 σελίδες
...THEOR. THE angles at the base of an isoceles triangle are equal to one another: and, if the equal-sides be produced, the angles upon the other side of the...be an isosceles triangle, of which the side AB is I i equal to AC, and let the straight lines AB, AC be produced to D and E, the angle ABC shall be equal... | |
 | Euclid - 1822 - 222 σελίδες
...equal (4). PROP- V. THEOR. In an isosceles triangle (BAC) the angles at the base Fig. 18. (due andACB) are equal to one another; and if the equal sides be produced, the angles below the base ( FBC and GCB) shall also be equal. Take any point F in the side produced, cut off AG... | |
 | George Crabb - 1823 - 704 σελίδες
...or legs equal. According to the fifth proposition of the first book of Euclid's elements, the angles at the base of an isosceles triangle are equal to one another. ISOSTE'MONES (Bot.) a name given by Haller to one of his classes of plants. [SO'TONl (Med.) an epithet... | |
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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. 
