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Sticky Note
What is the ratio of the circumference of a circle to its radius?
دائرے کے فریم کا اس کے رداس کا تناسب کیا ہے؟
  1. 2π
  2. π/2
  3. π
  4. none of these
Explanation

As we all know

Circumference of the circle: 2πr

The radius of the circle: r

Ratio = 2πr : r = 2πr/r = 2π

Thus we conclude that 2π:1

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