Respuesta :

prasamsharayamajhi

Answer:

length(l) is 8 m

area=56^2

l*b=56^2

8*b=56^2

b=56/8

hence,

breadth {width}(b) is 7 m

hence , perimeter is

2(l+b)

2(8+7)

2*15

30 cm

hence perimeter is 30 cm