Length of the rope required = Perimeter of the quadrilateral
Perimeter of the quadrilateral = sum of all sides = 4 m + 5.4 m + 8.6 m + 10 m = 28 m
Find the length of rope required to fence a quadrilateral ABCD whose sides AB = 4 m, BC = 5.4 m, CD = 8.6 m and DA = 10 m.