How many triangles ABC can be constructed with angle A = 120^circ, b = AC = 8 cm and a = BC = 5 cm?

  1. 1
  2. 3
  3. 2
  4. 0
Answer

D) 0

With angle A = 120^circ (not acute), the side opposite A must be the longest. Here a = 5 < b = 8, so there is no triangle. SLO M-09-B-30 · Knowledge

Mathematics MCQ · More Construction of Triangles MCQs · Practise