[" 31.The angle between lines "(x-2)/(2)=(y-3)/(-2)=(z-5)/(1)" and "],[(x-2)/(-2)=(y-3)/(x-5)" is "......]

The angle between lines (x-2)/(2)=(y-3)/(-2)=(z-5)/(1) and (x-2)/(1)=(y-3)/(2)=(z-5)/(2) is . . . .

The angle between lines (x-2)/1=(y-3)/2=(z-5)/2 and (x-2)/2=(y-3)/-2=(z-5)/1 is …….

The angle between lines (x)/(1)=(y)/(2)=(z)/(3) and (x+1)/(2)=(y-3)/(-7)=(z+2)/(4)

The angle between the lines (x+1)/(3)=(y-2)/(-2)=(z+4)/(1) and (x-3)/(1) =(2y-3)/(5)=(z-2)/(2) is -

Find the angle between the lines (x-1)/(2)=(y-2)/(3)=(z-3)/(4) and (x-2)/(3)=(y-4)/(4)=(z-5)/(5)

The angles between the lines (x-5)/(2)=(y-3)/(2)=(z)/(0) and x=5,y=8,z=6t is -

The angles between the lines (x+1)/(-3) =(y-3)/(2)=(z+2)/(1) and x=(y-7)/(-3) =(z+7)/(2) are

The angle between the pair of lines (x-2)/(1)=(y+3)/(-2)=(z-4)/(2) and (x+1)/(-6)=(y-2)/(-3)=(z+5)/(2) is -