When finding an interior angle of a triangle from slopes, a negative value of tan means the angle is:

  1. obtuse
  2. zero
  3. a right angle
  4. acute
Answer

A) obtuse

tantheta < 0 for 90^circ < theta < 180^circ. SLO M-09-B-12 · Knowledge

Mathematics MCQ · More Angle Between Lines MCQs · Practise