Question 10
In the diagram below, $ABCD$ is a square with side length 12 cm. Point $P$ is on side $AB$ such that $AP:PB=1:3$, point $L$ is on side $CD$ such that $CL=DL$ and point $N$ is on side $DA$ such that $DN:NA=2:1$. What is the area, in cm², of the triangle $PNL$?
