Saved Bookmarks
| 1. |
Show that the points A(1, 2, 3), B(-1, -2, -1), C(2, 3, 2) and D (4, 7, 6) are the vertices of a parallelogram ABCD, but not a rectangle. |
|
Answer» Show that the points A(1, 2, 3), B(-1, -2, -1), C(2, 3, 2) and D (4, 7, 6) are the vertices of a parallelogram ABCD, but not a rectangle. |
|