Perimeter of rectangle = 2(l+w)
let. width = x, length = x+12
So, 100 = 2(x+x+12)
100=2(2x+12)
100=4x+24
4x=76
x=19, y=19+12 = 31
So, Length = 31 m & Width = 19 m
9.4m questions
12.2m answers