Lines a and c are
coplanar.
parallel.
perpendicular.
skew
![Lines a and c are coplanar parallel perpendicular skew class=](https://us-static.z-dn.net/files/d31/d8f3bcb5e68d515f628dce1f1433c169.png)
Answer:
skew
Step-by-step explanation:
Lines a and c are skew
Reason:
1) Because they will never intersect each other.
2) They are not on the same plane.
3) They are not parallel and perpendicular.
Thus the right option is skew....