Respuesta :

s13366
The length of rope=21*22/7=3*22=66m//
Cost=66*2*4=176//

Answer:

  • ₹528

Step-by-step explanation:

Length of Fence

  • Circumference = 2πr or πd
  • πd
  • 22/7 x 21 m
  • 22 x 3 m
  • 66 m
  • 2 rounds = 66 x 2 = 132 m

Cost

  • ₹4 x 132
  • ₹528