 | Euclid, Isaac Todhunter - 1867 - 424 sider
...ACB to the angle DFE. Wherefore, if two triangles &c. QED r"-' PROPOSITION 5. THEOREM. Ttie~angles at the base of an isosceles triangle are equal to...other side of the base shall be equal to one another. Let ABC be an isosceles triangle, having the side AB equal to the side AC, and let the straight lines... | |
 | Euclid, Isaac Todhunter - 1867 - 426 sider
...angle ACB to the angle DFE. Wherefore, if two triangles &c. QED PROPOSITION 5. THEOREM. TJie angles at the base of an isosceles triangle are equal to...other side of the base shall be equal to one another. Let ABC be an isosceles triangle, having the side AB equal to the side AC, and let the straight lines... | |
 | James Et Al Parton - 1868 - 656 sider
...Proposition not only inwardly, but as an outward application; so that it might have read thus : " The angles at the base of an isosceles triangle are equal to one another; and if the equal sides be produced in curl papers, the angles on the other side of the os frontis are also equal." But in the laughing,... | |
 | Robert Potts - 1868 - 434 sider
...demonstrated. PROPOSITION V. THEOREM. The angles at the base of an isosceles triangle are equal to each nfher ; and if the equal sides be produced, the angles on the other side of the base shall be equal. Let ABC be an isosceles triangle of which the side AB is equal to AC, and let the equal sides AB, ACbe... | |
 | 1868 - 876 sider
...when and where will he overtake A 25 EUCLID— BOOKS I. AND II. THIRD DIVISION. Values. \. The angles at the base of an isosceles triangle are equal to one another ; and, if the equal aide produced, the angles upon (he other side of the base shall be equtil 15 2. The greater side of... | |
 | James Parton - 1869 - 702 sider
...Proposition not only inwardly, but as an outward application ; so that it might have read thus : " The angles at the base of an isosceles triangle are equal to one another ; and if the equal sides be produced in curl papers, the angles on the other side of the os frontis are also equal." But in the laughing,... | |
 | Euclides - 1870 - 270 sider
...equal, and its angles rt. angles. 5. I. The angles at the base of an isosceles triangle are equal, and if the equal sides be produced, the angles on the other side of the base shall bo equ;il. Ax. 1. Magnitudes, &c. 6. I. If two angles of a triangle be equal to one another, the sides... | |
 | Edinburgh univ - 1871 - 392 sider
...gain per cent. ? ELEMENTS OF MATHEMATICS AND ALGEBRA. Wednesday, 1<)th Of taber 1870. 1. The angles at the base of an isosceles triangle are equal to...another ; and if the equal sides be produced, the angles upon the other side of the base shall also be equal. 2. In comparing two triangles, what things must... | |
 | Euclides - 1871 - 136 sider
...I. give good examples of symmetrical constructions. NOTE XI. Euclid-s Prop. V. of Book I. The angles at the base of an isosceles triangle are equal to...another ; and if the equal sides be produced, the angles upon the other side of the base shall be equal. Let ABC be an isosceles A, having AB = AC. Produce... | |
 | Henry William Watson - 1871 - 320 sider
...with the angle DEF, and therefore the angle ABC must be equal to the angle ACB, therefore the angles at the base of an isosceles triangle are equal to one another. Corollary 2. — If two triangles can be transferred so that their angles coincide each with each they... | |
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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. 
