Here I am again. And heeeeeeere's the problem:

**Find the perimeter of this polygon:** **triangle PQR with vertices P(-6,-3), Q(1, -1), and R(1,-5).**
So first I drew a triangle (maybe I should have graphed it, but let's just take it from there), then I marked its points (P,Q,R), and used the distance formula to find the perimeter of each side. First I did $\displaystyle P$ and $\displaystyle Q$, then $\displaystyle Q$ and $\displaystyle R$, then $\displaystyle P$ and $\displaystyle R$ and came up with these answers:

Distance of P&Q=7.28, Distance of Q&R=4, and distance of P&R=7.28

Then I added them together and got

**18.56** or

**18.6**.

Is the answer right?

I know I'm not as schooled as some of you, but you have to admit this is a little complicated...