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Renuka decided to use nails and a rope to make a circle on the ground. She took a thin rope and tied nails on both ends of the rope. Then, she made a circle with the help of her friend. Which of the following statements is correct in the given situation?

Renuka decided to use nails and a rope to make a circle on the ground. She took a thin rope and tied nails on both ends of the rope. Then, she made a circle with the help of her friend. Which of the following statements is correct in the given situation? Correct Answer <span style="">The length of rope used is equal to the length of the radius of the circle.</span>

To make a circle with a rope having two nails at its end Renuka needs to fix one of the ends on the ground.

And rotate the another end to make a circle.

In this way the length of the rope is equal to the radius of the circle.  

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