Find the Area of the Shaded Region $126 \mathrm{ft}^{2}$ B) $123 \mathrm{ft}^{2}$

Find the area of the shaded region.
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A) $126 \mathrm{ft}^{2}$
B) $123 \mathrm{ft}^{2}$
C) $129 \mathrm{ft}^{2}$
D) $45 \mathrm{ft}^{2}$