The angle between the straight lines
and 
is
We have,
The direction ratios of the given lines are proportional to 2,5,4 and 1,2,-3.
The given lines are parallel to the vectors
→ 
and 
Let θ be the angle between the given lines.
Now,
= 0
→ θ 
1
The angle between the straight lines
and is
We have,
The direction ratios of the given lines are proportional to 2,5,4 and 1,2,-3.
The given lines are parallel to the vectors
→ and
Let θ be the angle between the given lines.
Now,
= 0
→ θ