Question 877674
diameter of the outer edge of the walkway is {{{7+2*2.5=9.5}}} meters.  The radius is 4.75 meters.


The pond radius is {{{7/2=3.5}}} meters.


The difference in area between the outer walkway edge region and the pond region is the area of the circular walkway.


{{{highlight(pi(4.75)^2-pi(3.5)^2)}}} square meters