The triangle has vertices A(0, 0), B(4, 2), C(1, 3). Find tan A.

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

D) 1

Slopes: mAB = 12, mAC = 3. Using tan A = mAC - mAB1 + mABmAC (with the sign that gives the interior angle) we get tan A = 1. SLO M-09-B-12 · Knowledge

Mathematics MCQ · More Angle Between Lines MCQs · Practise