Answer
$A$= 144 m$^{2}$
$P$ = 48 m
Work Step by Step
Since the length and the width of the lab are the same it is a square.
Area of a Square: $A$ = $s$$^{2}$
$A$ = (12 m)$^{2}$
$A$ = 144 m$^{2}$
Perimeter of a Square: $P$ = 4$s$
$P$ = 4(12 m)
$P$ = 48 m