 | Robert Potts - 1863 - 482 pages
...lines, a rKombus, and an acute-angled triangle. 2. The angles at the base of an isosceles triangle are equal to one another ; and, if the equal sides be produced, the angles on the other side of the base shall also be equal. Prove, without assuming any proposition subsequent... | |
 | University of Oxford - Education, Higher - 1863 - 316 pages
...rhombus, parallel straight lines, parallelogram. 2. The angles at the base of an isosceles triangle are equal to one another ; and if the equal sides be produced the angles on the other side of the base shall be equal to one another. 3. Divide a given straight line into two... | |
 | Euclides - 1865 - 402 pages
...those to which the equal sides are opposite. Prop. 5. 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. Cor. Every equilateral triangle is also equiangular.... | |
 | Architecture - 1865 - 276 pages
...rhomboid, and trapezium ? 2. Prop. 5. — Theorem. The angles at the base of an isosceles triangle are equal to one another ; and if the equal sides be produced, the angles on the opposite site of the base shall be equal. Given the vertical angle, and a side to construct... | |
 | Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 426 pages
...Wherefore, if two triangles &c. QED PROPOSITION 5. THEOREM. TJie angles at the base of an isosceles triangle are equal to one another ; and if the equal sides be produced the angles on the other side of the base shall be equal to one another. Let ABC be an isosceles triangle, having... | |
 | James Et Al Parton - History - 1868 - 656 pages
...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,... | |
 | James Parton - Suffragists - 1869 - 702 pages
...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,... | |
 | Edinburgh univ - 1871 - 392 pages
...MATHEMATICS AND ALGEBRA. Wednesday, 1<)th Of taber 1870. 1. 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 also be equal. 2. In comparing two triangles, what things must... | |
 | Euclides - 1871 - 136 pages
...constructions. NOTE XI. Euclid-s Prop. V. of Book I. 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. Let ABC be an isosceles A, having AB = AC. Produce... | |
 | Euclides, James Hamblin Smith - Geometry - 1872 - 376 pages
...constructions. NOTE XL Euclid's Prop. V. of Book I. 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. Let ABC be an isosceles A, having AB = AC. Produce... | |
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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. 
