The Triangle Inequality Theorem

When can you make a triangle?

As you move through the following activities, think about if you are always able to make a triangle given three side lengths.

To be able to make a triangle, the sum of any two side lengths has to be greater than the length of the third side.

Which of the following side lengths will form a triangle?

Select all that apply

Which of the following side lengths will NOT form a triangle?

Select all that apply