The triangle has vertices A(-1, 0), B(3, 0), C(0, 3). Find tan A.

  1. 3
  2. 13
  3. -3
  4. 4
Answer

A) 3

Slopes: mAB = 0, mAC = 3. Using tan A = mAC - mAB1 + mABmAC (with the sign that gives the interior angle) we get tan A = 3. SLO M-09-B-12 · Knowledge

Mathematics MCQ · More Angle Between Lines MCQs · Practise