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.