The acute angle between the lines whose direction ratios are 1, 2, 2 and -3, 6, -2 is

The acute angle between the lines whose direction ratios are 3, 2, 6 and -2, 1, 2 is

The measure of acute angle between the lines whose direction ratios are 3, 2, 6 and -2, -1, 2 is

The acute angle between the lines whose direction ratios are 1, 1, 2 and sqrt(3)-1, -sqrt(3)-1,4 is

The acute angle between the lines whose direction ratios are 1, 1, 2 and sqrt(3)-1, -sqrt(3)-1,4 is: a) 30^(@) b) 45^(@) c) 60^(@) d) 90^(@)

Find the angle bewteen the lines whose direction ratios are 1, 2, 3 and - 3 , 2 , 1

Find the angle between the lines whose direction ratios are 2, 3, 6 and 1, 2, 2

Find the acute angle between two lines whose direction ratios are and

Find the angle between the lines whose direction ratios are 2, 1, -2 and 3, -4, 5.