# A gardener wants to fence a circular garden of diameter 21 m. Find the length of the

A gardener wants to fence a circular garden of diameter 21 m. Find the length of the rope he needs to purchase, if he makes 2 rounds offence. Also find the cost of the rope, if it costs ₹ 4 per meter. ( Take π = $\frac { 22 }{ 7 }$ )