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  • There is a 314 cm long metal wire which is to be moulded ...
Multiple choice

There is a 314 cm long metal wire which is to be moulded to form a ring. Find the radius of that ring.

  1. 50 cm

  2. 0.2 cm

  3. 10 cm

  4. 0.5 cm

  5. 25 cm

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the right answer. Since, Length of the wire = Circumference of the ring 314 cm = 2 * pi * radius radius = 314/ (2 * 3.14) = 50 cm

Ans: 50 cm

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