 | Henry Major - 1876 - 784 pages
...triangle be produced, the exterior angle is1 equal to the two interior and opposite angles ; and the three interior angles of every triangle are together equal to two right angles. . The base angle of an isosceles triangle is one-fourth of the vertical angle, and from it a line is... | |
 | Education Department,London - 1876 - 1010 pages
...angled isosceles triangles have their bases equal, they will be equal in all respects. 3. The three interior angles of every triangle are together equal to two right angles. SECTION Ш. 1. Triangles upon equal bases and between the tame parallels are equal to each other. If... | |
 | 1876 - 400 pages
...Construct the triangle when each side is equal to half the sum of the other two. SECTION III. 1 . The three interior angles of every triangle are together equal to two right angles. What ratio does the angle of a regular hexagon bear to a rig] it angle? 2. Triangles upon the same... | |
 | John Fellows - Freemasonry - 1877 - 380 pages
...to four. Of the geometrical theorems ascribed to Pythagoras, the following are the principal ; thus the interior angles of every triangle are together...to two right angles ; that the only polygons which fill up the whole •pace about a given point, are the equilateral triangle, the square, and the hexagon... | |
 | J T. Amner - 1878 - 226 pages
...Construct the triangle when each side is equal to half the sum of the other two. Section 3. 1. The three interior angles of every triangle are together equal to two right angles. What ratio does the angle of a regular hexagon bear to a right angle ? 2. Triangles upon the same base... | |
 | Civil service - 1878 - 228 pages
...expression 1 (x+ 1)(*"+ 1)' GEOMETRY. W. ESSON, Esq., FRS Tuesday, 2nd July 1878. 2 PM to 5 PM 1. The three interior angles of every triangle are together equal to two right angles. Find the angle of u regular pentagon. 2. The complements of the parallelograms which are about the... | |
 | Āryabhaṭa - 1878 - 100 pages
...triangle be produced, the exterior angle is tqual to the two interior and opposite angles ; and tlie three interior angles of every triangle are together equal to two right angles. ^ B Let ABC be a triangle, and let one of its sides BC be produced to D. Then the exterior angle ACD... | |
 | W J. Dickinson - Geometry - 1879 - 44 pages
...triangle be produced, the exterior angle is equal to the two interior and opposite angles, and the three interior angles of every triangle are together equal to two right angles. If the straight line bisecting the exterior angle be parallel to a side, show that the triangle is... | |
 | Edward Harri Mathews - 1879 - 94 pages
...triangle be produced, the exterior angle is equal to the two interior and opposite angles and the three interior angles of every triangle are together equal to two right angles. Construct a right angled isosceles triangle of given perimeter. 2. If the square described on one of... | |
 | Moffatt and Paige - 1879 - 474 pages
...triangle be produced, the exterior angle is equal to the two interior and opposite angles; and the three interior angles of every triangle are together equal to two right angles. Let ABC be a triangle. Let one of its sides BC be produced to D. Then the exterior angle ACD shall... | |
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If a side of any triangle be produced, the exterior angle is equal to the two interior and opposite angles; and the three interior angles of every triangle are together equal to two right angles. 
