Question

What is the approximate area of the walk way?

Answer 1

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

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