The triangle has vertices A(2, 1), B(6, 1), C(4, 5). Find tan A.

  1. 2
  2. -2
  3. 3
  4. 12
Answer

A) 2

Slopes: mAB = 0, mAC = 2. Using tan A = mAC - mAB1 + mABmAC (with the sign that gives the interior angle) we get tan A = 2. SLO M-09-B-12 · Knowledge

Mathematics MCQ · More Angle Between Lines MCQs · Practise