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

  1. 158
  2. - 158
  3. 815
  4. 238
Answer

A) 158

Slopes: mAB = 14, mAC = 4. Using tan A = mAC - mAB1 + mABmAC (with the sign that gives the interior angle) we get tan A = 158. SLO M-09-B-12 · Knowledge

Mathematics MCQ · More Angle Between Lines MCQs · Practise