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### Question Asked by a Student from EXXAMM.com Team

** Q 2612701639. ** 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.

**CBSE-12th 2011 **