The angle between lines with slopes 2 and - 12 is:

  1. 90^circ
  2. 0^circ
  3. 45^circ
  4. 60^circ
Answer

A) 90^circ

m1 m2 = -1 = -1, so the lines are perpendicular. SLO M-09-B-10 · Knowledge

Mathematics MCQ · More Angle Between Lines MCQs · Practise