Sonali built a fence around a rectangular section of her backyard.The length of the section is 18 m and the width is 16 m. The perimeter of the fenced section is
Perimeter of a rectangle = 2 × (length+ breadth) = 2 × (18 + 16) = 2 × 34 = 68 m
Hence, the perimeter of fenced section is 68 m.