Question

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 the
22
rope, if it costs 34 per meter. (Take te =
7
)
Eroma circular cheetofradu
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Answer 1

Answer:

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Answer 2

Answer:

Diameter of the circular garden =21mRadius of the circular garden =212mNow, circumference of circular garden =2πr=2×227×212=22×3=66mBut, he makes 2 rounds of fence so the total length of the rope of fencing=2×66=132mTherefore, the length of the rope, he needs, is 132m.Then, the cost of 1 metre rope =₹4The cost of 132 metre rope =132×4=?528Thus, the cost of the rope is ₹528.

Explanation:

Therefore, the length of the rope, he needs, is 132m. Thus, the cost of the rope is ₹528.

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