Volume formula for a square-based pyramid:
V=(s²•h)/3, where V=volume, s=base length of the square, and h=height of the pyramid.
Input the values into the formula where s=7 and h=12:
V=[(7)²•(12)]/3
Simplify using PEMDAS:
V=[49•12]/3
V=588/3
V=196
So, the volume is: 196units³
Answer: 196units³