so we can tell any side of trail A : B = 2 : 1
the perimeter of tail A : the perimeter of trail B = 2 : 1
Perimeter of A= 90+108+10+132=450m
perimeter of B =450/2=225m
if Tara rides her bike around Trail B twice.The total distance is 225x2=450m
450m =450m
they both rode 450m
