Find the Area of the Shaded Region in the Figure $6431 \mathrm { ft } ^ { 2 }$

Multiple Choice

Find the area of the shaded region in the figure. Round results to the nearest unit. Use π≈ 3.14.
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A) $6431 \mathrm { ft } ^ { 2 }$
B) $1608 \mathrm { ft } ^ { 2 }$
C) $7034 \mathrm { ft } ^ { 2 }$
D) $1809 \mathrm { ft } ^ { 2 }$