| Euclid - 1838 - 416 pagine
...given point A parallel to the given straight line BC. Which was to be done. PROP. XXXII. THEOR. Ir **a side of any triangle be produced, the exterior angle...angles of every triangle are equal to two right angles.** ROOK I. triangle, viz. ABC, BCA, CAB, are together equal to two right angles. Through the point C draw... | |
| Euclides - 1841 - 351 pagine
...given point A, parallel to the given straight line BC. Which was to he done. . PROP. XXXII. THEOR. **If a side of any triangle be produced, the exterior...angles of every triangle are equal to two right angles.** Let ABC be a triangle, and let one of its sides BC be produced to D; the exterior angle ACD shall be... | |
| John Joseph Griffin - 1841 - 489 pagine
...Acuic-anylcd, when the triangle has three acute angles. See the triangular planes on Model 73. «7, **The three interior angles of every triangle are equal to two right angles.** — It, If two angles of a triangle be given, the third is equal to the difference between their sum... | |
| John Playfair - 1842 - 317 pagine
...EAF is drawn through the given point A parallel to the given straight line BC. PROP. XXXII. THEOR. **If a side of any triangle be produced, the exterior...angles of every triangle are equal to two right angles.** Let ABC be a triangle, and let one of its sides BC be produced to D ; the exterior angle ACD is equal... | |
| Euclides - 1842
...is drawn through the given point A parallel to the given straight line в c. QEF PROP. XXXII. THEOR. **IF a side of any triangle be produced, the exterior...angles of every triangle are equal to two right angles.** Let ABC be a triangle, and let one of its sides, вc be produced to D; the exterior angle AC D is equal... | |
| James Pycroft - 1843 - 216 pagine
...complicated nature, any more than the Moralist should suppose he can render it highly probable that **the three interior angles of every triangle are equal to two right angles,** or the Orator exhaust his powers of persuasion in trying to enlist the affections in favour of the... | |
| William Honyman Gillespie - 1843 - 391 pagine
...subjective mind. § 65. To illustrate this doctrine by an example taken from the science of magnitude. That **the three interior angles of every triangle are equal to two right angles,** is a truth which, if the demonstration has been followed, cannot but be believed, when the subject... | |
| Euclid - 1845 - 199 pagine
...point A parallel to the given straight line BC. Which was to be done. PROPOSITION XXXII. THEOR. — **If a side of any triangle be produced, the exterior...angles of every triangle are equal to two right angles.** Let ABC be a triangle, and let one of its sides BC be produced to D ; the exterior angle ACD is equal... | |
| Euclid, James Thomson - 1845 - 352 pagine
...straight line equal to that which is described by eitner extremity of the base.* BOOK I. PKOP. XXXII.— **If a side of any triangle be produced, the exterior angle is equal to the two interior and** remote angles ; and the three interior angles of every triangle are together equal to two right angles.... | |
| Euclides - 1845
...been drawn a straight line EAF parallel to the given straight line BC. QEF PROPOSITION XXXII. THEOREM. **If a side of any triangle be produced, the exterior angle is equal to the** Iwo interior and opposite angles; and Ihe three interior angles of every triangle are together equal... | |
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