Answer
Creek Side and Sunny side have the same area.
Work Step by Step
To determine which park has the larger area, compute the area of each park then compare.
Sunny Side has an area of
$\frac{1}{4} \times \frac{3}{16}$ = $\frac{3}{64}$ square miles
Creek Side has an area of
$\frac{3}{8} \times \frac{1}{8}$ = $\frac{3}{64}$ square miles