The angle between the lines `5x+3y-7=0\ a n d\ 15 x+9y+14=0` is ^0` d. `30^0`

distance between the lines 5x+3y-7=0 and 15x+9y+14=0

The angle between the lines 3x-y+5=0,x+3y-2=0 is

Find the angle between the lines x+3y-8=0 and 2x-3y+6=0 .

Find the angle between the lines x-2y+5=0 and x+3y-5=0 .

Distance between the lines 5x+3y-7=0\ a n d\ 15 x+9y+14=0 is (35)/(sqrt(34)) b. 1/(3sqrt(34)) c. (35)/(3sqrt(34)) d. 35//2sqrt(34)

Find the acute angle between the lines 2x-y+3=0\ a n d\ x+y+2=0.

Find the obtuse angle between the lines x-2y+3=0\ a n d\ 3x+y-1=0.

The acute angle between the planes 2x-y+z=6\ a n d\ x+y+2z=3 is 45^0\ b. 60^0 c. 30^0 d. 75^0