Find the angle between the following pair of lines `x/2=y/2=z/1 and (x-5)/4=(y+2)/1=(z+3)/8`

Find the angles between the pair of lines given by x/2=y/2=z/1, (x-5)/4=(y-2)/1=(z-3)/8

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

Find the angle between the following pair of lines: (x-2)/2=(y-1)/5=(z+3)/(-3) and (x+2)/(-1)=(y-4)/8=(z-5)/4

Find the angle between the following pairs of line: (x-5)/1=(2y+6)/(-2)=(z-3)/1a n d(x-2)/3=(y+1)/4=(z-6)/5

Find the angle between the following pairs of line: (5-x)/(-2)=(y+3)/1=(1-z)/3and x/3=(1-y)/(-2)=(z+5)/(-1)

Find the angle between the following pairs of line: (x-1)/2=(y-2)/3=(z-3)/6, x+1=(y+2)/2=(z-3)/2

Find the angle between the following pairs of line: (x-2)/3=(y+3)/(-2)=z=5a n d(x+1)/1=(2y-3)/3=(z-5)/2

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

Find the angle between the following pair of lines: (i) (x-2)/2=(y-1)/5=(z+3)/(-3) and (x+2)/(-1)=(y-4)/8=(z-5)/4 (ii) x/2=y/2=z/1 and (x-5)/4=(y-2)/1=(z-3)/8

Find the angle between the following pair of lines: (-x+2)/(-2)=(y-1)/7=(z+3)/(-3) and (x+2)/(-1)=(2y-8)/4=(z-5)/4 and check whether the lines are parallel or perpendicular.