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

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).

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).

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

Find the angle between the lines; one of which has 2;2;1 while the other one is obtained by joining the points (3;1;4) and (7;2;12)

Find the angle between the lines whose direction ratios are: 2,-3,4 and 1,2,1 .

Find the ratio into which the line segment obtained by joining the points (-3, 8) and (7, -7) at the point (1, 2).

Find the ratio into which the line segment obtained by joining the points (4, 7) and (1, -2) at a point (-5, -20).

Find the angle between the lines, one of which is parallel to the line x/1=(y-1)/2=z/3 and other is a line passing through two points (1, 2, 4) and (4, 3, -1)?

Find the angle between the lines, one of which is parallel to the line x/1=(y-1)/2=z/3 and other is a line passing through two points (1, 2, 4) and (4, 3, -1)?

Find the angle between the pair of lines with direction ratios given by 1,2,-2" and "2,-2,1