 | Euclides - 1821 - 294 pages
...side is the same.. For it is the O2 of the perpendicular. ,. • PROP. 48. TIIEOR. Jf the square of one side of a triangle be equal to the sum of the squares of the other troo sides, the angle opposite to that side is a right angle. From the vertex of this... | |
 | Pierce Morton - Geometry - 1830 - 584 pages
...to the turn of the squares of the sides which contain that angle : and conversely, if the square of one side of a triangle be equal to the sum of the squares of the other two sides, the angle contained by these two sides shall be a right angle. Let AB С be... | |
 | Mathematics - 1835 - 684 pages
...to the sum of the squares of the sides which contain that angle : and conversely, if the square of one side of a triangle be equal to the sum of the squares of the other two sides, the angle contained by those two sides shall be a right angle. Let ABC be a... | |
 | Dennis M'Curdy - Geometry - 1846 - 168 pages
...square upon one side (BC) of a triangle be equal to the squares upon the other two sides (AB, AC), the angle contained by these two sides shall be a right angle. Then because AD equals AB, their squares also are equal;—to each of them add the square of AC ; therefore... | |
 | Education - 1847 - 508 pages
...straight line, and towards the same parts, are between the same parallels. 3. If the square described upon one side of a triangle be equal to the sum of the squares described upon the other two sides of it, the angle contained by these two sides is a light angle.... | |
 | Great Britain. Committee on Education - 1850 - 942 pages
...angles, are equal to twice as many right angles as the figure has sides. 2. If the square described upon one side of a triangle be equal to the sum of the squares described upon the other two sides of it, the angle contained by these two sides is a right angle.... | |
 | Her MAjesty' Inspectors of schools - 1850 - 912 pages
...angles, are equal to twice as many right angles as the figure has sides. 2. If the square described upon one side of a triangle be equal to the sum of the squares described upon the other two sides of it, the angle contained bj these two sides is a right angle.... | |
 | Olinthus Gregory - 1863 - 482 pages
...square of the hypothenuse is equal to the sum of the squares of the two sides. 17. If the square of one side of a triangle be equal to the sum of the squares of the other two sides ; then the angle comprehended by them is a right angle. IS. If an angle A, of... | |
 | Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 424 pages
...on the sides containing the obtuse angle. 128. If the square on one side of a triangle bo less than the squares on the other two sides, the angle contained by these sides is an acute angle ; if greater, an obtuse angle. 129. A straight line is drawn parallel to the... | |
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If the square described on one side of a triangle be equal to the sum of the squares described on the other two sides, the angle contained by these two sides is a right angle. 
