Respuesta :

msm555

Answer:

Solution given;

length(L) =6+12=18yd

again

b=√(15²-12²)=9yd

so

breadth (B)=8+9=17yd

since it is a rectangular shape so

perimeter of rectangle=2(L+B)=2(18+17)=70yd

70 yards of fencing materials do they need for the fence