# Participation Question 1

**What are the complications that you can imagine that results from including
the points on the side of the triangle in the triangle or not?**

_Hint: Two triangles that share a border may have problems._

# Participation Question 2

**When d11 \* d22 - d12 \* d12 = 0, the system will have no solution. When might
this happen, and what does it mean?**