Respuesta :

16+(3+3)=22
22 would be the diameter of the circle.
Hence, (22÷2=11) will be the radius of the circle

Use
[tex]\pi r {}^{2} [/tex]
So,
[tex]\pi {11}^{2} [/tex]
MINUS
[tex]\pi {8}^{2} [/tex]
will get you the answer 179ft...