how do I find the area of a quarter circle with 100ft for each legs

Question

The question ask;

The figure shown represents a piece of land that is in the shape of a quarter circle.  If the land is enclosed by a fence, which of the following is closest to the length, in, of the fence?  Each leg of the quarter circle is 100ft, how do I solve this problem.

Answer 1

??????????????????? "fiffer shoed" ??????????????

me dont see no figger

quarter serkel area=(1/4) av area av serkel

=pi*r*r/4

apparentlee, r=100

so area=3.14159265*(10,000/4)

=2,500*3.14....

=7853.981625

or bout 8754