Find the acute angle between lines with slopes 34 and - 17.

  1. 90^circ
  2. 60^circ
  3. 30^circ
  4. 45^circ
Answer

D) 45^circ

tantheta = m2 - m11 + m1 m2 = - 2528 2528 = 1, so theta = 45^circ. SLO M-09-B-10 · Knowledge

Mathematics MCQ · More Angle Between Lines MCQs · Practise