 | William Leybourn - Astronomy - 1702 - 368 pages
...the Created Angle ABC, the , Complement thereof FB G. It may alfo be demonflrated? That the Sitfes of the Triangle ABC, are equal to the Angles of the Triangle KLM, by the converfe of the former. For * 1 4 The gc AB? is e- rO Pj the mea- r MLK •S^BC^quaWF HMureof... | |
 | 1880 - 594 pages
...the side AC ; therefore AE is equal to AD (I. 26), and the angle ADE to the angle AED (I. 6). Again, the angles of the triangle ABC are equal to the angles of the triangle ADE (I. 32) ; take away from each the common angle A ; therefore the angles ABC, ACB are equal to the... | |
| |
If all the angles of the triangle ABC are equal to the angles of the triangle EDF, that is, if the angle A be equal Fig. 