### Home > INT3 > Chapter 5 > Lesson 5.2.1 > Problem 5-58

5-58.

A regular tetrahedron is a triangular-based pyramid in which every face is an equilateral triangle. Is it possible to slice a regular tetrahedron and get a cross-section that is *not* an equilateral triangle? Justify your response, explaining completely. Homework Help ✎

Yes, it is possible. Can you visualize how?