Find angle between the lines formed by joining `(2,2,1)` with `(3,1,4)` and `(7,2,2)`

Find the angle between the X-axis and the line joining the points (3,-1) and (4,-2) .

Find the angle between X -axis an the line joining the points (-3,-1) and (4,-2) .

Find the angle between the lines joining the point (0,0),(2,3) and the points (2,-2),(3,5)

Find the angle between the X-axis and the line joining the points (3,-1)and(4,2).

Find the angle between the line joining the points (3,\ -4,\ -2)a n d\ (12 ,\ 2,\ 0) and the plane 3x-y+z=1.

Find the angle between x+y=3 and the line joining points (1,1) and (-3,4)

Find the anlge between the line joining the points A(3,-4,-2) and B(12,2,0) and the plane 3x-y+z=1 .

Find the angle between the lines Joining the points (-1,2),(3,-5) and (-2,3),(5,0)

Find the angle between the line joining the points (-1,3) and (-2,4) and X -axis.

Find the angle between two lines, one of which was direction ratios 2, 2, 1 while the other one is obtained by joining het points (3, 1, 4) and (7, 2, 12).