Question

the perimeter of a rectangular field is 120 M its breadth is 20 cm find its length​

Answer 1

Perimeter of rectangular field= 120m = 12000cm

breadth = 20 cm

let the length be x

perimeter = 2(l+b)

12000 = 2(x+20)

12000\2 = x + 20

6000-20 = x

5980 = x

hence length is 59.80 cm