| Isaac Todhunter - 1880 - 400 sider
...angles are at one point B, any one of them is expressed by three letters, of which the letter which **is at the vertex of the angle, that is, at the point** at which the straight lines that contain the angle meet one another, is put between the other two letters,... | |
| Euclid, Isaac Todhunter - 1883 - 400 sider
...angles are at one point B, any one of them is expressed by three letters, of which the letter which **is at the vertex of the angle, that is, at the point** at which the straight lines that contain the angle meet one another, is put between the other two letters,... | |
| Moffatt and Paige - 1883
...two straight lines to one another, which meet together, but are not in the same straight line. A /O **vertex of the angle, that is, at the point in which the** straight lines that contain the angle meet one another, is put between the other two letters, and one... | |
| Edward Mann Langley, W. Seys Phillips - 1890 - 515 sider
...angles are at one point B, any one of them is expressed by three letters, of which the letterwhich **is at the -vertex of the angle, that is, at the point** at which the straight lines that contain the angle meet one another, is put between the other two letters,... | |
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