Visualizing Triangle Inequalities

In the below worksheet you will find a dynamic worksheet for visualizing triangle inequalities. The triangle inequalities , , and state that the sum of two side lengths of a triangle is greater than the length of the third side of the triangle.
Try to answer the following questions with the help of the dynamic worksheet:
  • Move the sliders, what do you notice?
  • Are there values a, b and c where there exists no triangle? If yes, give an example.