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 of fence. Also find the costs of the rope, if it cost Rs 4 per meter. (Takeπ)
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he needs 132 metre rope and it costs Rs.628
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According to the data mentioned in the question that,
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 of fence.
To calculate this,we have to calculate the circumference of the garden first.
=2πr
=2×22/7×21/2
=66
So the 2 round rope's length will be =66×2=132 metres
Total cost will ve=132×4=₹ 528(answer.)
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