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

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: (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: (i) (x-2)/(2)=(y-1)/(5)=(z+3)/(-3)(x+2)/(-1)=(y-4)/(8)=(z-5)/(4)(x-5)/(2)=(y-2)/(8)=(z-3)/(4)(x-5)/(4)=(y-2)/(1)=(z-3)/(8)

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

Find the angle between the following pair of lines (x-7)/(2)=(y+5)/(7)=(z+2)/(-3)" and "(x+2)/(-1)=(y-3)/(2)=(z-5)/(4)

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.

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.

Find the angle between the following pairs of line: (-x+2)/(-2)=(y-1)/7=(z+3)/(-3)a n d(x+2)/(-1)=(2y-8)/4=(z-5)/4