Perimeter of a rectangle = 2(L + B) = length of rod = 44 m
The ratio of length to breadth = 7: 4
That is, LB = 74
So, L = 7B4
Perimeter of a rectangle = 2(7B4+ B) = 44
Divide through by 2
(7B4+ B) = 22
(11B4+ B) = 22
cross multiply
11B = 22 x 4 = 88
B = (8811 = 8m.
