Visit [ Ссылка ] for more math and science lectures!
In this video I will use deductive reasoning to determine which of the 6 given points must lie on the same line given that points A, B, C, D, E, F are coplanar. Points A, D, F are colinear; B, C, E are colinear; and lines D and F, and C and E are perpendicular.(Example 4)
Next video in this series can be seen at:
[ Ссылка ]
![](https://s2.save4k.ru/pic/I7tQMyv_uUQ/mqdefault.jpg)