Two sides 4 cm and 6 cm with an included angle of 180^circ would give:

  1. an equilateral triangle
  2. a right triangle
  3. no triangle (the points are in a straight line)
  4. two triangles
Answer

C) no triangle (the points are in a straight line)

An angle of 180^circ is a straight angle; the vertices are collinear. SLO M-09-B-28 · Knowledge

Mathematics MCQ · More Construction of Triangles MCQs · Practise