Length of a rectangular field is 6 times its breadth. If the length of the field is 120cm, find the breadth and perimeter of the field.

Given:

Length of rectangle = 120 cm

Breadth of rectangle = b

Length = 6b

Breadth = 120 / 6

= 20 cm

Perimeter = 2 × (l + b)

= 2 × (20 + 120)

= 280 cm.