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. Find the perimeter of the fenced section.
Perimeter of a rectangle = 2 x (length+ breadth) = 2 x (18 + 16) = 2 x 34 = 68 m
Hence, the length of fenced section is 68m.