The answer to this question is
<span>63m</span>−<span>11</span>
I dont know what youre looking for, but these are the answers you get with a side of 6ft,
n=5
a=6ft
r=4.1291457614135 ft
R= 5.1039048501122 ft
A=61.937186421203 ft^2
P=30ft
x=108`
y=72`
C = 2PIr
C = 2 * 3.14 * 3 = 18.84 cm