Answer:
Step-by-step explanation:
The median of the four numbers a, b, c and d. Where a ≤ b ≤ c ≤ d:
[tex]\dfrac{b+c}{2}[/tex]
We have
84in², 72in², 80in², 84in² → 72in², 80in², 84in², 84in²
The median:
[tex]\dfrac{80+84}{2}=\dfrac{164}{2}=82\ in^2[/tex]