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A gardener wants to fence a circular gar...

A gardener wants to fence a circular garden of diameter `21m.` Find the length of the rope he needs to purchase, if he makes 2 rounds of fence. Also find the costs of the rope, if it cost Rs 4 per meter. (take `pi=22/7`)

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A gardener wants to fence a circular garden of diameter 21m. Find the length of the rope he needs to purchase, if he makes 2 rounds of fence. Also find the cost of therope, if it costs Rs. 4 per meter. (Takepi = 22/7)

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