[tex]\bf \qquad \textit{Centroid of a Triangle}\\\\
\begin{array}{llll}
A(x_1,y_1)\quad B(x_2,y_2)\quad C(x_3,y_3)\\ \quad \\
\left(\cfrac{x_1+x_2+x_3}{3}\quad ,\cfrac{y_1+y_2+y_3}{3}\quad \right)
\end{array}\\\\
-------------------------------\\\\
\begin{array}{llll}
x(-4,0)\qquad y(-1,4)\qquad z(2,2)\\ \quad \\
\left(\cfrac{-4-1+2}{3}\quad ,\cfrac{0+4+2}{3}\quad \right)
\end{array}[/tex]
