| Charles Hutton - Mathematics - 1811 - 406 pages
...sum of the three angles of the triangle A+B + C is equal to two right angles (ax. 1). o^ ED Corol. 1. If two angles in one triangle, be equal to two angles in another triangle, the third angles will also be'equal (ax. 3), and the two triangles equiangular, Corol. 2. If one angle... | |
| Charles Hutton - Mathematics - 1812 - 620 pages
...of the three angles of the triangle A + B + c is equal to two right angles (ax. 1). qr D. Carol. 1. If two angles in one triangle, be equal to two angles in another triangle, the third angles will also be equal (ax. 3), and the two triangles equiangular. Carol. 2. If one angle... | |
| Charles Hutton - Mathematics - 1822 - 616 pages
...the sum of the three angles of the triangle A+B+C is equal to two rigkt angles (ax. 1). QED Corel. 1. If two angles in one triangle, be equal to two angles in another triangle, the third angles will also be equal (ax. 3), and the two triangles equiangular. Carol. 2. If one angle... | |
| William Jillard Hort - 1822 - 308 pages
...line, makes with it two angles, which, taken together, are equal to two right angles." COROLLARIES. 1. If two angles in one triangle, be equal to two angles in another triangle, the remaining angles will also be equal ; by the axiom, " If from equal things, equal things be taken... | |
| Edward Riddle - Nautical astronomy - 1824 - 572 pages
...interior angles А В С, А С В, and ВАС are ABD together equal to two right angles. QED Cor. 1. If two angles in one triangle be equal to two angles in another triangle, the remaining angles of those triangles are equal. Cor. 2. If one angle in a triangle be equal to an... | |
| William Grier - Mechanical engineering - 1832 - 366 pages
...plane triangle ; then the sum of the three angles A -f- B + C is equal to two right angles (Fig. 16.) If two angles in one triangle, be equal to two angles in another triangle, the third angles will also be equal, and the two triangles equiangular. If one angle in one triangle,... | |
| William Grier - Mechanical engineering - 1836 - 384 pages
...any plane triangle; then the sum of the three angles AfBfC \"^7o is equal to two right angles. \ / If two angles in one triangle, be equal ^. to two angles in another triangle, the third angles will also be equal, and the two triangles equiangular. If one angle in one triangle,... | |
| William Grier - Mechanical engineering - 1842 - 320 pages
...D ; then will the outward angle CBD be equal to the sum of the two inward opposite angles A and C. If two angles in one triangle, be equal to two angles in another triangle, the third angles will also be equal, and the two triangles equiangular. 17. Let ABC be any plane triangle;... | |
| Nicholas Tillinghast - Geometry, Plane - 1844 - 108 pages
...seen that CBD is equal to BAC+BCA ; hence BAC+BCA+ CBA is equal to two right angles. Cor. 2. Hence, if two angles in one triangle be equal to two angles in another triangle, the third angle in the one will be equal to the third angle in the other. Cor. 3. In any triangle there... | |
| Scottish school-book assoc - 1845 - 444 pages
...= two i'Ls, .: the three angles CAB, ABŁ, arid BCA are together equal to two right angles. Cor. 1. If two angles in one triangle be equal to two angles in another triangle, the remaining angles of those triangles are equal. Cor. 2. If one angle in a triangle be equal to an... | |
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