Answer :
28= a+b+c The shortest side is 6ft, the medium side is 10ft, and
28= (a)+(a+4)+(2a) the longest side is 12ft.
28= 2a+4+2a
28= 4a+4
24= 4a
a=6
b= 6+4
b= 10
c= (2)(6)
c= 12
28= (a)+(a+4)+(2a) the longest side is 12ft.
28= 2a+4+2a
28= 4a+4
24= 4a
a=6
b= 6+4
b= 10
c= (2)(6)
c= 12