How many triangles ABC can be constructed with angle A = 30^circ, b = AC = 8 cm and a = BC = 3 cm?

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

D) 0

The height from C is h = bsin A = 8 12 = 4 cm. Since a = 3 < h, the arc cannot reach the base: no triangle. SLO M-09-B-30 · Knowledge

Mathematics MCQ · More Construction of Triangles MCQs · Practise