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length of a rectangle is 8 meters more than the width
Let x and (x+8m)represent the width and length respectively
Perimeter = 2(x+8m) + 2x = 156m
4x = 140m
x = 35m, the width. the length is 43m (35m+m8m)
CHECKING our Answer***
2*43m + 2*35m = 86m + 70m = 156m